PEMDAS

What step would I do second ?

(4-2) x 9 + 7

• multiplication

• subtraction

• addition

• dividing

True or false:
Addition ALWAYS comes before subtraction.

• True
• False

Which operation is evaluated first?
72 ÷ 9 x 4

• multiplication
• division

Which operation is evaluated first?
7 - 8 + 23

• subtraction
• addition

What are the steps to solve the following expression?

50 − 16 ÷ 2 x (12 + 4)

• parenthesis

  multiplication

  subtraction

  division

• parenthesis

  multiplication

  division

  subtraction

• parenthesis

  division

  multiplication

  subtraction

• parenthesis

  subtraction

  multiplication

  division

Evaluate 2x + 3 + x² for x = 4

• 17

• 27

• 19

• 25

Evaluate 2x + 5(y - 1) when x = 8 and y = 5

• 20

• 31

• 36

• -4

Evaluate this expression:
(-2)² - (-5)²

• -21
• 29
• 21
• -29

Evaluate
 $24\div mn-p^2+10$  

when  $m=12$  , $n=3$  , and  $p=4$  

• -20

• 0.8

• 0

• -5.33

Evaluate
 $x^2+3x-4$  

when  $x=-5$  

• -14

• 36

• -44

• 6