1. Tell whether the proportion is correct. a b. a a. с. a d. e. f. 2. Tell whether the proportion is correct. a. b. d e с. d.

d. 14:1 3. The ratio of length to width for a rectangle is 5:4. Which set of values below has the same length to width ratio? 1= 35 cm; w= 42 cm b. 1= 28 cm; w= 21 cm c. 1=35 cm; w= 28 cm d. 1342 cm; w= 35 cm a. С.

The model below shows the ratio of gray squares to white squares. Which of the following is not an equivalent ratio of gray squares to white squares? * O 8:10 O 24:30 36:48 O 20:25

Probability is best described as a O a. limiting relative frequerncy O b. ratio O c. variable d. negative number A Moving to another question will save this response. TOAO 20 étv 20 F3 000 DOO esc F1 F4 F5 ! 2$ 2 4 6.

2. A class has 12 boys and 4 girls. What is the ratio of boys to girls written as a decimal? OA. 0.33 OB. 0.75 O c. 3.00 O D. 4.00

19) The cost of fabric varies directly with the amount of fabric purchased. If 1.6 yards of fabric cost $10.00, how much would 4.5 yards cost? $ type your answer. Previous Next US O V 2:33

7. Which proportion would be used to find the length of RV? R 8+F 7 8+ 8+x 5+x 8+1 5+2 3 5+x S 5+x 4

4. Figure DEF GHis similar to figure MN OP Q. M ОР MN HS DE H MN GH DE PQ Which proportion must be true? NO PQ EF GH ОР QM HD FG

Listen 4. Do taller restaurant servers receive larger tips? In a study, the amount of each tip (measured as a percentage of the bill) was recorded. along with the heights of the servers. The explanatory variable is O a) the size of the tip b) the height of the server O c) the number of servers used in the study. O d) None of the above ENG 尋