What is the image of the point (-1,4) after a rotation of 180° counterclockwise about the origin?

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

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?

If f (x) = 2x2 +5/(x-2), complete the following statement: f(6) =