Angleefg and anglegfh are a linear pair, mangleefg=3n+21, and manglegfh=2n+34. what are mangleefg and manglegfh?

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?

What is the area of the wall surface of a room that is 16’ x 18’ with 9 ceilings?

In cents, what is the least total amount that cannot be obtained by using a combination of fewer than eight coins from a collection of pennies, nickels, dimes and quarters?