Pls help fast!!
1. factorize(l-x²)
2. simplify:9³×125×27×t⁻⁴/3⁻²×4⁴×5³×(t ⁻⁴)³

How far is x from 5 on a number line?

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

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?