1.
Find the sum (-4) + 6.
A.
-10
B.
10
C.
-2
D.
2
Hint
2.
What is the sum of -32 and -16?
A.
-48
B.
-16
C.
-2
D.
2
Hint
3.
Solve the equation
a
= (-5) + 13.
A.
18
B.
-8
C.
8
D.
-18
Hint
4.
Simplify the expression 12
n
+ (-5
n
) + 3
n
.
A.
7
n
B.
10
n
C.
-4
n
D.
-20
n
Hint
5.
Solve the equation 6 + (-2) + (-8) =
r
.
A.
2
B.
-4
C.
0
D.
-16
Hint