Find all real solutions. Do not use a calculator.6x3 + 36 = x(x + 216)
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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If 
, 
, and 
, find x.
What will be an ideal response?
Mathematics
Use the four-step method in problem solving to solve the problem.City A has an elevation of 3547 feet above sea level while city B has an elevation of 67 feet below sea level. How much higher is City A than City B?
A. 3714 feet B. -3380 feet C. -3480 feet D. 3614 feet
Mathematics
Evaluate the rational expression for the given value(s) of the variable(s).
for x = -9
A. 
B. 
C. 
D. 
Mathematics
Solve the system by substitution.
What will be an ideal response?
Mathematics