Evaluate the expression for the given value or values.
for x = 171, y = -3
A. 60
B. -60
C. -57
D. 57
Answer: C
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Provide an appropriate response.Reduce the matrix: 
What will be an ideal response?
The point in a lunar orbit nearest the surface of the moon is called perilune and the point farthest from the surface is called apolune. The Apollo 11 spacecraft was placed in an elliptical lunar orbit with perilune altitude 106 km and apolune altitude 318 km (above the moon). Find an equation of this ellipse if the radius of the moon is 1728 km and the center of the moon is at one focus.
What will be an ideal response?
Solve the problem.The school bake sale sold a total of 28 plates of brownies and slices of cake and collected a total of $103.50 for the sales. They sold 6 more plates of brownies than slices of cake. How many plates of brownies and slices of cake were sold?
A. 11 plates of brownies and 17 slices of cake
B. 
plates of brownies and 
slices of cake
C. 
plates of brownies and 
slices of cake
D. 17 plates of brownies and 11 slices of cake
If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.32a4 - 18b2
A. 2(4a2 - 3b)2 B. 2(4a2 + 3b)2 C. 32a4 - 18b2 D. 2(4a2 + 3b)(4a2 - 3b)