Justin surveyed 280 of the students in his school about their favorite color. 98 students said their favorite color was blue. What percentage of the surveyed students
said their favorite color was blue?

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Which is f(5) for the function –2x2 + 2x - 3?

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?