1.
Solve 3
x
= 18.
A.
15
B.
6
C.
21
D.
7
Hint
2.
The perimeter of a square is 4 times the length of a side. Use the equation
P
= 4
s
to find the perimeter of a square whose side has a length of 6 inches.
A.
36 in.
B.
12 in.
C.
24 in.
D.
10 in.
Hint
3.
Solve
x
+ 3 = 22.
A.
23
B.
17
C.
25
D.
19
Hint
4.
Solve 5
x
= 55.
A.
11
B.
12
C.
5
D.
9
Hint
5.
Solve
f
=
.
A.
4
B.
3
C.
6
D.
2
Hint