What are the coefficients in the Expression below?

-3a + 2b + -7 + 5a + 8

What are the constants in the Expression below?

9x + 6 + 7y + 3

Which of the following expressions have Like Terms? Choose all that Apply:

Simplify the Expression below:

9x + 6 + 7x + 3

Simplify the Expression below:

-5a + 6b - 2a + 8

Simplify the Expression below:

(k + 8) + (-5k - 2)

Simplify the Expression below:

(-15 + 6a) + (-7b - 8) + (2a + 3b)

Simplify the Expression below:

(9h + 2) + (6g - 8) + (-8h + 3)

You are riding your scooter. During the first hour you travel m miles. During the 2nd hour you travel 2 less than 3 times the miles you went during the 1st hour. During the 3rd hour you travel 5 more miles than you did during the 1st hour. Write and simplify an expression for the total miles you traveled during the 3 hours.

Mr. W.'s backyard is in the shape of a triangle. The bottom side of his yard is x feet long. Another side of the yard is 4 more than 2 times the length of the bottom. The last side is 7 less than the length of the bottom. Write and simplify an expression for the perimeter of his backyard.

How many kids does Mr. W. have?

What is the room number of Mr. W.'s classroom?

Mr. W. has a poster up in his classroom that says "Mistakes are Proof that you are _____________"