What is the undefined variable in this equation (6x2 +3x) ÷ (3x) simplified 3x + 1

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

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?