Solve the problem.If a submarine goes 2k3 + 16k2 + 18k - 56 miles in 2k + 8 hours, what is its rate of speed?
A. k2 + 4k - 7 miles/hr
B. k2 + 12k - 7 miles/hr
C. k2 - 4k + 7 miles/hr
D. k3 + 4k2 - 7k miles/hr
Answer: A
Mathematics
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Evaluate the expression for the given value or values.
for x = 171, y = -3
A. 60 B. -60 C. -57 D. 57
Mathematics
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 6 
- 9
+ 4 
+ 4
A. 10 
- 5
B. 10 
- 5
C. 10 
- 5
D. 5
Mathematics
Multiply and simplify.
A. 
B. 
C. 
D. 
Mathematics
Determine a quadratic function that results when applying the given shifts to the graph of 
Shift 11 units down.
A. f(x) = (x - 11)2 B. f(x) = (x + 11)2 C. f(x) = x2 + 11 D. f(x) = x2 - 11
Mathematics