Answer:
b
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
you always do the parenthesis first
10-7=3
6x3=18
Answer:
A
Step-by-step explanation:
b*h*1/2
8*5.5*1/2
=22
Answer:
7.25b+4.95m=55.70
Step-by-step explanation:
B=Books
M=Magazine
Answer:
-b
Step-by-step explanation:
-(a+b) = -a - b
-a -b + a = -b
( the -a + a cancel each other out )