Is 9. a whole number, integer, rational number, irrational number, or a real number

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?

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0

Awindow has the shape of a rectangle with a semi circle at the top. find the approximate area of the window using the dimensions shown. 4ft by 8ft