substitute variables

m=8, n=6, p=4, q=2

Evaluate each expression below(substitute the variables)

m+n+q=

m=8, n=6, p=4, q=2

Evaluate each expression below(substitute the variables)

n+q-p=

m=8, n=6, p=4, q=2
Evaluate each expression below(substitute the variables)

 $\frac{\text{3n}}{\text{3q}}$  

What is 6²?

• 8
• 36
• 4
• 12

Evaluate 6p - 3  when p = 2

• 5
• 15
• 9
• 12

Solve this expression. (pemdas)

r/7(a - b²)

r=49 a=15 b=3

• 42

• 27

• 48

• 6

What are the variables in the following expression?

• 3, 4, 1 and 7
• z, x and y
• + and -
• 15

Evaluate 15 - m  for m = 7

• 22
• 8
• 2
• 9

_____________ is a language of symbols including variables.

• Expression

• Algebra

To solve this problem, what do I do second?

18 - 20/2 x 2 + 9 - 7

• subtract

• divide

• add

• multiply