Part a: the area of a square is (9x2 + 24x + 16) square units. determine the length of each side of the square by factoring the area expression completely. show your work. part b: the area of a rectangle is (16x2 − 25y2) square units. determine the dimensions of the rectangle by factoring the area expression completely. show your work.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay