1.
Find the perimeter of triangle
ABC
.
A.
(8
w
+ 8) in.
B.
(8
w
+ 9) in.
C.
(4
w
+ 8) in.
D.
(4
w
+ 22) in.
Hint
2.
Simplify (4
r
-
s
) - (
r
+ 2
s
) + (3
r
-
s
).
A.
6
r
- 4
s
B.
6
r
- 3
s
C.
3
r
- 2
s
D.
8
r
Hint
3.
Find (3
a
- 1)(5
a
+ 6).
A.
15
a
2
- 5
a
- 6
B.
15
a
2
+ 13
a
+ 6
C.
15
a
2
+ 13
a
- 6
D.
15
a
+ 13
a
-6
Hint
4.
Find (
c
2
+ 2
c
- 6)(
c
+ 5).
A.
c
3
+ 2
c
2
+ 5
B.
c
3
+ 2
c
2
- 30
C.
c
3
+ 2
c
2
- 6
c
- 30
D.
c
3
+ 7
c
2
+ 4
c
- 30
Hint
5.
Find the area of the parallelogram.
A.
(12
a
2
+ 14
b
2
) cm
2
B.
(36
a
2
+ 49
b
2
) cm
2
C.
(36
a
2
- 84
a
b
- 49
b
2
) cm
2
D.
(36
a
2
- 49
b
2
) cm
2
Hint