How do you solve this linear systems of equations?
x+3y−z=24
x+2y+5z=13
x+z=12

Which statement about perfect cubes is true

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?

Which expression is a factor of 12x2 + 29x – 8? x – 8 2x – 1 3x + 8 4x + 1