Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 8 
- 3xy 
A. 2x2y2
B. 5xy3
C. 5x2y3
D. 2 xy2
Answer: D
Mathematics
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Simplify.
A. 
B. 
C. 
D. 
Mathematics
Write the equation of the ellipse that has its center at the origin, focus at 
and vertex at 
. Express the equation in standard form.
What will be an ideal response?
Mathematics
Solve the problem.A freight train leaves a station traveling at 32 km/h. Two hours later, a passenger train leaves the same station traveling in the same direction at 52 km/h. How long does it takes the passenger train to catch up to the freight train?
A. 3.2 hr B. 2.2 hr C. 4.2 hr D. 5.2 hr
Mathematics
Solve.Determine which numbers in the list below are divisible by both 2 and 3. 
A. 12,642, 8850 B. 12,642, 8850, 1278 C. 8850 D. 12,642, 3038, 885, 1278
Mathematics