1.
Solve the equation 6 - (-8) =
b
.
A.
18
B.
2
C.
-2
D.
14
Hint
2.
Subtract 6 – 12.
A.
18
B.
-18
C.
6
D.
-6
Hint
3.
Evaluate
q
–
r
if
q
= -13 and
r
= -2.
A.
15
B.
11
C.
-15
D.
-11
Hint
4.
Evaluate
r
–
s
–
t
if
r
= -5,
s
= -10, and
t
= -15.
A.
-30
B.
-10
C.
0
D.
20
Hint
5.
A submarine started at a depth of 150 feet below sea level and descended 355 feet. What is the new depth of the submarine?
A.
505 feet
B.
0 feet
C.
370 feet
D.
205 feet
Hint