1.
Name the property of equality shown by the statement: If 2 + 10 = 12 and 12 = 3(4), then 2 + 10 = 3(4).
A.
Additive Property of Equality
B.
Reflexive Property of Equality
C.
Symmetric Property of Equality
D.
Transitive Property of Equality
Hint
2.
Name the property of equality shown by the statement: If
c
= 4,
then 3
c
= 3(4).
A.
Symmetric Property of Equality
B.
Transitive Property of Equality
C.
Substitution Property of Equality
D.
Reflexive Property of Equality
Hint
3.
Evaluate the expression 15 - (
x
÷
y
) + 4 if
x
= 48 and
y
= 6.
A.
19
B.
3
C.
27
D.
11
Hint
4.
Evaluate the expression 7 ·
f
+ 6 ÷
d
if
f
= 12 and
d
= 3.
A.
42
B.
30
C.
86
D.
84
Hint
5.
Selena is making cassette tapes of songs she has written. On Monday she records 8 songs, on Tuesday she records 12 songs, and on Wednesday she records 4 songs. If each song is 5 minutes long and each tape is 60 minutes long, how many tapes has she used so far?
A.
3 tapes
B.
4 tapes
C.
1 tape
D.
2 tapes
Hint