Solve the problem.If a submarine goes 3k3 + 15k2 + 3k - 30 miles in 3k + 6 hours, what is its rate of speed?
A. k2 + 10.5k - 5 miles/hr
B. k2 + 3k - 5 miles/hr
C. k2 - 3k + 5 miles/hr
D. k3 + 3k2 - 5k miles/hr
Answer: B
Mathematics
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A. 64
B. 67
C. 67
D. 16
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Find a number ? such that if |x-2| < ?, then |4x-8| < ?, where ?=0.1.
What will be an ideal response?
Mathematics
Find the greatest common factor of the monomials.14y3, 56y8, and 196y4
A. 784y5 B. 14y5 C. 14y3 D. 56y3
Mathematics
Simplify the expression.
(y + 8) + 10y
A. 6y + 32
B. 6y - 32
C. 
y + 32
D. 
y - 32
Mathematics