1.
Solve the equation 3
x
+
y
= 6 for
x
.
A.
B.
x
= 5
y
C.
x
= 2 -
y
D.
x
= 6 - 3
x
Hint
2.
Solve 4
w
–
x
=
wy
+ 10 for
w
.
A.
B.
C.
D.
w
= 14 +
x
–
y
Hint
3.
Solve 5
t
+
u
+
v
= 3 for
t
.
A.
B.
t
= -2 –
u
–
v
C.
D.
t
= 15 –
u
–
v
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.
6.2 meters
B.
6.25 meters
C.
6.35 meters
D.
6.5 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.
31 inches
B.
10.3 inches
C.
15.5 inches
D.
22 inches
Hint