1.
Evaluate if
x
= 4 and
y
= 7:
x
+ 8
A.
15
B.
32
C.
48
D.
12
Hint
2.
Evaluate if
x
= 4 and
y
= 7:
19 +
x
A.
419
B.
194
C.
26
D.
23
Hint
3.
Evaluate if
x
= 4 and
y
= 7:
12 +
y
A.
84
B.
19
C.
127
D.
16
Hint
4.
Evaluate if
x
= 4 and
y
= 7:
23 +
x
A.
423
B.
30
C.
27
D.
234
Hint
5.
Write an expression and evaluate it: Chee had
b
books. She took another 8 books from the library. If
b
= 14, how many books does Chee have?
A.
b
+ 8; 6
B.
8
b
; 112
C.
b
+ 8; 22
D.
b
− 8; 6
Hint