2r–2>2 on the number line

What is the radical expression that is equivalent to the expression 27 1 over 5?

Acircle has a circumference of 7.850 units. what is its radius?

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?