What is the LCD of 2/5 and 4/11

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 f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer

Which expression is equivalent to the expression for the perimeter of the larger garden?