Okay im f/u/c/k/i/n/g tired of trolling, just ban me

How to determine whether two known pairs of points are on the same line.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

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?