What is the surface area of a pyramid that is 12 cm tall and has base edges of 8 cm and 6 cm?

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

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?