Simplify each expression by combining like terms.
5m³- 4mp² + m²p - 2m³ + 6mp²
2g - 5gh + 1 + 3hg - g - h

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?