PLS HELP 222222222222222222

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

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate

After the expression (x^10) ^3/5 is simplified as much as possible, x is raised to what exponent?