Question

Answer what you can. You don’t have to show your work but please do.

Answer 1

I'll help with the first 2

( 12/4x7-18=

12/4=3

3x4=12

12-18= -6 )

( 8
`{2}` - 22/2x7=

8x2=16

22/2=11

11x7=77

16-77= -61 )

Step-by-step explanation:

PEMDAS

P-( ) Parenthesis

E- Ex
`x^(2)` (Exsample-2
`{2}` = 2x2=4 )

M=Multiplication X

D-Division

A-Add +

S-Subtraction