10. Which situation is modeled by the equation y = -15x + 300? A. Maria has $300 in an account and deposits $15 each week. B. A car uses 15 gallons of gas to travel a total distance of 300. There are 300 people at a football game and 15 of the people leave the game each hour. C. A scuba diver starts 300 feet below the water's surface and dives down another 15 feet every minute. D.

A school is constructing a rectangular play area against an exterior wall of the school building. It uses 120 feet of fencing material to enclose three sides of the play area. w school building 1. Complete the table by giving the length and area for each width. (The width is the side perpendicular to the building.) width length (feet) | (feet) area (square feet) 10 30 40 Size W Undo Clear All 2. Write an equation to represent l, the length of the play area in feet, as a function of w, the width in feet. 3. Write an equation to represent A, the area in square feet, as a function of w, the width in feet.

Olivia works at an art gallery. He gets paid $200 per week plus 15% commission onthe sales she makes. Her weekly earnings are defined by the equation? = 200 + 0.15? In different weeks, Olivia sells $900, $1600, and $2000 pieces ofartwork. Calculate the ordered pairs.

1. To travel outside the city limits, a certain taxicab company charges $1.20 for the first mile or less of travel. After the first mile, the charge is an additional $0.90 per mile. Complete the following table. x, NUMBER OF MILES OUTSIDE CITY LIMITS 0. 0.5 1 10 c, TOTAL COST (IN $) a. Write an equation for the total cost, C, of the first mile or less of travel. b. Write an equation that gives the total cost, C, if you travel more than 1 mile, all outside city limits. c. Write a piecewise function for the total cost, C. 2.