I need help (3/4)x+2=(3/8)x-4

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

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?