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.
x
= 2 -
y
B.
x
= 5
y
C.
D.
x
= 6 - 3
x
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.
25 in.
B.
55 in.
C.
12 in.
D.
12.5 in.
Hint
4.
Solve 5
t
+
u
+
v
= 3 for
t
.
A.
B.
C.
t
= -2 –
u
–
v
D.
t
= 15 –
u
–
v
Hint
5.
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.
6.35 meters
B.
6.5 meters
C.
6.2 meters
D.
6.25 meters
Hint