Which expression is equivalent to 6 - (-21) ? *

O 6-21

O 6+21

O-21-6

0 - 21 + 6

Solve for a. + 7 = 2 What is the root? If there is no root, choose none.

7y + 4x + 4 - 2x + 8 what is the coefficient

There are 7 oranges in each box how many oranges are in 68 boxes

You start hiking at an elevation that is 80 meters below base camp. You increase your elevation by 42 meters. What is the new elevation with the respect to base camp?

Simplify (2√5+3√7) ^2

You decide to take your car on a drive through Canada, where gas is sold in liters and distances are measured in kilometers. Suppose your cars gas efficiency is 30.0mi/gal. How many liters of gas will you need to complete a 135 km trip.

Solve using elimination -4x + 2y = 10 2x - 2y = 2

How do you write 36.4 in word form

The sum of two polynomials is 10a2b2 - 8a2b 6ab2 - 4ab 2. if one addend is - 5a2b2 12a2b - 5, what is the other addend?

What is 4/5 + 3/10 equal