1.
Solve the equation 2
x
+
y
= 6 for
y
.
A.
y
= -6 - 2
x
B.
y
= 2
x
- 6
C.
y
= -2
x
+ 6
D.
y
= 2
x
+ 6
Hint
2.
Solve the equation 2
a
-
b
=
ac
+ 3
b
for
a
.
A.
B.
C.
D.
Hint
3.
The formula
A
=
lw
finds the area of a rectangle. What is the width of a rectangle whose area is 60 square inches and whose length is 5 inches?
A.
12.5 in.
B.
25 in.
C.
12 in.
D.
55 in.
Hint
4.
Solve 5
t
+
u
+
v
= 3 for
t
.
A.
B.
t
= 15 –
u
–
v
C.
D.
t
= -2 –
u
–
v
Hint
5.
Use the formula
P
= 2
l
+ 2
w
to find the length of a rectangle whose perimeter is 57 inches and whose width is 13 inches.
A.
15.5 inches
B.
31 inches
C.
10.3 inches
D.
22 inches
Hint