The ratio of boys to girls in the middle school at the school is 4:9. If there were 432 girls in middle school last year, how many boys were there? (For Homework)

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

The measures of two supplementary angles are (2x + 10)° and (8x + 10)°. what is the measure of the larger angle? a. 16° b. 44° c. 14° d. 138°