At a store, all televisions are on sale for 30% off. If x represents the regular price of a television, which expression could be used to calculate the sale price of a television? answer choices
1.x – 30
2.x – 70
3.0.7x

What is the value of x in the following equation? -3x-2=2x+8

Simplify (8x2 − 1 + 2x3) − (7x3 − 3x2 + 1). −5x3 + 11x2 − 2 5x3 − 11x2 + 2 x3 + 2x2 + x3 x3 − 2x2 − x3

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet