A group of friends is investigating the costs of going to two different amusement parks. Each amusement park charges an entrance fee and a fee per ride. At Amusement Park A, the total cost y, in dollars, of riding x rides is represented by the linear function y=0.75x+25. The table shows the total cost for riding x rides at Amusement Park B. Determine which park is described by each phrase below. Number of Rides, x 0 2 4 6
Total Cost (dollars), y 23 25 27 29

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?