Completely factor the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Evaluate the square root. If the answer is not a real number, state so.
A. 4
B. 256
C. not a real number
D. 
Mathematics
Subtract the fractions. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A motorcycle and a car leave an intersection at the same time. The motorcycle heads north at an average speed of 20 miles per hour, while the car heads east at an average speed of 48 miles per hour. Find an expression for their distance apart in miles at the end of t hours.
A. 52t miles
B. 2t
miles
C. 52
miles
D. t
miles
Mathematics
Graph the ellipse and locate the foci.4x2 + 16y2 = 64
A. foci at (
, 0) and (-
, 0)
B. foci at (2
, 0) and (-2
, 0)
C. foci at (2
, 0) and (-2
, 0)
D. foci at (0, 2
) and (0, -2
)
Mathematics