Explain why 2.15 and - 2.15 are opposites

He polynomial 2x3 - 5x2 + 4x - 10 is split into two groups, 2x3 + 4x and - 5x2 - 10. The GCFs of each group is then factored out. What is the common binomial factor between the two groups after their GCFs have been factored out?

3.5 repeating as a decimal

What is 3/4 of $3600?

The average cost for a single user unlimited cell phone plan is 75$, $82.50 $78.75 or $80

How do you simplify the fractions 8/6, 40/2, and 6/9.

If a dish of ice cream holds 1/4 pound, how many dishes can you get from a 4 1/2 pound carton of Dan's ice cream?

2x-3 <7x+12 what is x

Solve this system of equations 3x-5y=7 4x+10y=16

What is the difference between 128.04 and 8.287?

You need to buy edging to put around a flowerbed. If the flowerbed is 13 feet wide, how much do you need? A) 20.4ft B) 39ft c) 40.8ft D) 132.7 ft