1.
A.
B.
C.
D.
Hint
2.
A.
7 in.
B.
8 in.
C.
6 in.
D.
9 in.
Hint
3.
Choose the solution of
+
x
= 4 if the replacement set is {2, 4, 6, 8}.
A.
2
B.
6
C.
4
D.
8
Hint
4.
Choose the solution of 6
x
+ 1 = 7 if the replacement set is {-1, 0, 1, 2}.
A.
2
B.
-1
C.
1
D.
0
Hint
5.
Solve the equation
A.
5
B.
10
C.
19
D.
-3
Hint