4/9x -2=5/9 rewrite the equation so it doesn't have fractions

Which number is irrational? a) 16 b) 18 c) 25 d) 36

What is the frequency of the sinusoidal graph?

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?