Use order of operations to simplify the expression.-12 - [(8 - 1) - (-5 - 1)]
A. 1
B. -9
C. -15
D. -25
Answer: D
Mathematics
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Divide. Write the answer in lowest terms and as a whole or mixed number where possible.28 ÷ 
A. 21
B. 37
C. 
D. 7
Mathematics
Solve the equation for the indicated variable.D = 
- 
for z
A. z = 
B. z = 
C. z = 
D. z = 
Mathematics
Solve the problem.A rug is to fit in a room so that a border of consistent width is left on all four sides. If the room is 
by 
and the area of the rug is 30 square feet, how wide will the border be?
A. 6.5 ft B. 5 ft C. 4 ft D. 6 ft
Mathematics
Solve.A musician plans to perform 5 selections for a concert. If he can choose from 7 different selections, how many ways can he arrange his program?
A. 21 B. 16,807 C. 2520 D. 35
Mathematics