Compare: 6/11 to 5/9 which one is greater

How many terms does the polynomial x^2 y^2 have

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?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle