1.
Solve the equation 2
a
-
b
=
ac
+ 3
b
for
a
.
A.
B.
C.
D.
Hint
2.
Solve the equation 3
x
+
y
= 6 for
x
.
A.
B.
x
= 6 - 3
x
C.
x
= 2 -
y
D.
x
= 5
y
Hint
3.
Solve the equation
p
=2
q
+ 2
w
for
q
.
A.
B.
q
=
p
- 2
w
-
q
C.
D.
q
=
p
-
w
Hint
4.
Use the formula
A
=
lw
to find the width of a rectangle whose area is 46.875 square meters and whose length is 7.5 meters.
A.
6.5 meters
B.
6.35 meters
C.
6.25 meters
D.
6.2 meters
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.
22 inches
B.
31 inches
C.
15.5 inches
D.
10.3 inches
Hint