1.
Find the value of
r
in the following equation.
2 + 6
r
= 3
r
- 1
A.
6
B.
2
C.
-1
D.
Hint
2.
What is the solution of 2.5
a
+ 12 = 5
a
?
A.
4.8
B.
2.5
C.
30
D.
24
Hint
3.
Drew is comparing the prices of two towing companies. To tow a mid-size car, Fidel's Flatbeds charges $25.00 plus $0.20 per mile and Taipa's Towing charges $30.00 plus $0.10 per mile. For how many miles will the two companies charge the same amount?
A.
The costs will never be the same.
B.
50 miles
C.
40 miles
D.
30 miles
Hint
4.
Solve 14
b
– 22 = 11
b
.
A.
B.
C.
D.
Hint
5.
Solve 6
x
– 12 = 5
x
+ 2.
A.
x
= -14
B.
x
= 10
C.
x
= -10
D.
x
= 14
Hint