The cost to mail a box of textbooks can be modeled by the function f(x)=1.75x+5.25, where x is the number of books mailed. what y-intercept of the function represents a. the cost to mail a box with no textbooks b. the number of books mailed c. the cost per book

Which statement about the annual percentage rate (apr) is not true?

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?

Find the common ratio of the sequence. -4, 8, -16, 32, a: -12b: -2c: 12d: -1/-2