Create equations to represent a relationship between quantities. Define appropriate quantities for . . . descriptive modeling Marcie can assemble 1 puzzle in 2 hours, and Janice can assemble 2 puzzles in 5 hours. How many hours will it take Marcie and Janice to assemble a puzzle if they work together?

5.) Solve. 32 = 4 %3D

2. How many kilowatt-hours did they use? 0.12 3. How many kilowatt-hours did they generate that they didn't use themselves? Digital Lesson A pool starts with 10,000 gallons of water in it. A hose can be used to fill the pool at a constant rate of 9 gallons per minute. A drain in the pool can empty the pool at a constant rate of 9 gallons per minute. The expressions below can be used to determine how much water is in the pool after 20 minutes. 10,000 + 20 · -9 What does each expression represent in the context of this situation? Explain how you know.

Read and analyze this situation then translate to expression and write its equation. Write your answers in your activity notebook with solution. Task 1. A car travels at an average speed of 36 km per hour. Write an equation to predict how many hours it will take to travel 432 km if it continues at this speed. Task 2. Translate this equation in real life situation (in words) 56 – 34 = N 56 children in all pe 34 participants of Clean & Green Program find the number of children who did not participate in that program.

Use the information listed below to solve parts a through h. Suppose that the demand and price for a certain model of a youth wristwatch are related by the following equation, where p is the price (in dollars) and q is the quantity demanded (in hundreds). p=D(q) 32-1.25q Find the price at each level of demand. Answer parts a through d. a. Find the price when the demand is 0 watches. The price when the demand is 0 watches is $ 45 b. Find the price when the demand is 800 watches. The price when the demand is 800 watches is $ c. Find the quantity demanded for the watch when the price is $27. At a price of $27, the demand is for d. Graph p=32 -1.25q. Choose the correct graph below. O A. 0 watches OB. watches. ET 20 Q Q 8 Suppose the price and supply of the watch are related by the following equation, where p is the price (in dollars) and q is the quantity supplied (in hundreds) of watches. p= S(q) = 0.75q Answer parts e through g. e. Find the quantity supplied at a price of $0 At a price…

5. The number of questions on an exam varies with the number of minutes to take the exam. For each question there are 5 minutes allotted. Write a formula that relates the number of minutes to take the exam to the number of questions on the exam. (Be sure to define variables to represent the values of the varying quantities.)

• 10 and 11 © 9 and 10 8 and 9 2 The area of a square is 32 square inches. Which equation best represents the length of one side of the square? © V32 16 in. © 322 = 1,024 in. %3D ® V32 = 5.7 in. O 2 = 8 in. %3D 4 3 Which point on the number line best represents V8? MN

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Can I solve 9 and 10 pls

4.) The temperature in Gary, Indiana, is 4 degrees Fahrenheit on Monday. The temperature drops by 8.5 degrees on Tuesday, before rising by 8 degrees on Wednesday. What's the final temperature on Wednesday? Write an expression and draw a model to solve.