1.
Find the perimeter of triangle
ABC
.
A.
(4
w
+ 8) in.
B.
(4
w
+ 22) in.
C.
(8
w
+ 9) in.
D.
(8
w
+ 8) in.
Hint
2.
Simplify (4
r
-
s
) - (
r
+ 2
s
) + (3
r
-
s
).
A.
6
r
- 3
s
B.
6
r
- 4
s
C.
8
r
D.
3
r
- 2
s
Hint
3.
Find (4
x
2
+ 3
x
) + (7
x
2
– 5
x
– 6).
A.
11
x
2
– 2
x
– 6
B.
11
x
4
– 2
x
2
– 6
C.
9
x
– 6
D.
11
x
2
– 8
x
– 6
Hint
4.
Simplify (7
x
2
+ 2
x
– 3) – (2
x
2
– 11
x
+ 4)
A.
B.
5
x
2
+ 13
x
– 7
C.
D.
Hint
5.
Determine whether the expression
x
+
y
+
z
is a monomial, binomial, or trinomial.
A.
binomial
B.
Cannot be determined from given information.
C.
trinomial
D.
monomial
Hint