Cary is 4 4 years older than dan. in 9 9 years the sum of their ages will be 78 78. find the age of each man now.

15 points ! ~ see if you know the answer to both you!

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

Asinusoidal function whose frequency is 1/6pi