Bill and jenna are solving the quadratic equation x 2 - x = 12.

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

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

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points