Use the signed numbers to solve.

A helicopter descended 1200 feet, rose 800 feet, and then descended 450 feet. What was the net gain or loss in altitude?

2x-y=7 Y=0.5x+17 0.2x+y=-1.8 Y-5x=6 4x-5y=14 -4x+4=-6

14. You buy some furniture. The coffee table costs $189.99, the loveseat costs $249.95, the sofa costs $493.68, and 2 chairs cost $98.75 each. Sales tax is 7.25%. How much is your total purchase? $1,032.37 $1,213.13 $1,107.22 $1,131.12

Which pair of expressions is equivalent

Enzo and Beatriz are playing games at their local arcade. Incredibly, Enzo wins 555 tickets from every game, and Beatriz wins 111111 tickets from every game. When they stopped playing games, Enzo and Beatriz had won the same number of total tickets.

A movie theater sold 825 tickets to fill 3 theaters. Each theater has a equal number of seats. How many seats are in each theater

Which statements correctly describe the graph of the function f (x) = x3 - 4x2 - 3x + 18? Check all that apply. There are three unique solutions to the function when y = 0. The function has a double root.

Henry and Jose are gaining weight for football. Henry weighs 205 pounds and is gaining 2 pounds per week. Jose weighs 195 pounds and is gaining 3 pounds per week. When will they weigh the same?

The volume of a rectangular box is (x3 - 7x2 - 9x + 63) cubic units. Determine the dimensions of the rectangular box by factoring the volume expression completely.

Which equation matches these solutions? x = 5, - 7 Group of answer choices (x + 5) (x + 7) = 0 (x + 5) (x - 7) = 0 (x - 5) (x + 7) = 0 (x - 5) (x - 7) = 0

What is 29 divided by 4,380 and what is the remainder