11 POINTS
why does drilling a hole in the block add and subtract surface area from the solid? 1

Evaluate cos2θ for cosθ = square root of 3/2

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?

Find the missing factor. write your answer inexponential form.9^2=9^4×