Simplify the following expression.

2*(a+bc)+cb+ab+ac-3*(ab-cb-ba+bc) a.
3a + 3bc + 2ac + 2ac
b.
2a + 2bc + ab + ac
c.
2a + 3bc + ab + ac
d.
2a + 2bc + cb + ab + ac

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

How is working backward similar to solving an equation?

Plz hurry evaluate the expression a+b where a=8 and b=19