1.
Simplify 6
a
+ 15
a
.
A.
6
a
+ 15
a
B.
42
a
C.
21
a
D.
21
a
2
Hint
2.
Simplify 2
a
4
+ 4
a
2
+
a
4
.
A.
2
a
4
+ 4
a
2
+
a
4
B.
3
a
4
+ 4
a
2
C.
3
a
8
+ 4
a
2
D.
7
a
10
Hint
3.
Simplify 3
x
2
+ 11
x
+ 2
x
2
.
A.
6
x
2
+ 11
x
B.
5
x
2
+ 11
x
C.
simplified
D.
16
x
2
Hint
4.
The formula for the perimeter of a rectangle is
, where
is the length of the rectangle and
w
is the width. If a rectangle is 17 ft long and 8 ft wide, what is its perimeter?
A.
25 ft
B.
68 ft
C.
50 ft
D.
42 ft
Hint
5.
Evaluate
p
· (
p
+ 3
q
) –
r
if
p
= -7,
q
= 4, and
r
= -16.
A.
-19
B.
77
C.
-51
D.
45
Hint