1.
The most efficient strategy to use in solving multi-step equations is to ______.
A.
guess and check
B.
draw a diagram
C.
work backward
D.
make a table
Hint
2.
Two tall buildings in New York City are the Empire State Building and 2 New York Plaza. The height of the Empire State Building is 1250 feet. This is 242 feet higher than twice the height of 2 New York Plaza. What is the height of 2 New York Plaza?
A.
746 feet
B.
503 feet
C.
504 feet
D.
1008 feet
Hint
3.
Solve the equation 2
u
+ 3 = -1.
A.
u
= -2
B.
u
= 1
C.
u
= -8
D.
u
= 4
Hint
4.
Solve the equation
= 3.
A.
x
= 5
B.
x
= 39
C.
x
= 51
D.
x
= 4
Hint
5.
Beth wants to buy her brother a birthday present. She has $27 that she wants to spend on the gift. She decides to go to the mall to buy him some CD's. If the CD's are all on sale for $5.99 (after tax), and she can have all of them gift-wrapped for a flat rate of $3.00, how many CD's can she buy and have gift-wrapped?
A.
6 CD's
B.
4 CD's
C.
7 CD's
D.
5CD's
Hint