Simplify: 8p²q²r² - 7p²q²r² + q²r²

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

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?