How many ways are there to choose an open interval (p, q) of the real line, where both endpoints are integers in the range 1,...,50

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

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?