I- JUST NEED THE ANSWERS TO THIS QUESTION

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?