Simplify. Assume that no denominator is zero and 00 is not considered.(x7y2)(x6y3z0)
A. x13y5z0
B. x42y6z0
C. x13y5
D. x42y6
Answer: C
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Solve the application and write a sentence answering the question.In one town, 644 of the 1750 people who voted in the last presidential election are Hispanic. What percent is this?
A. 30% of the voters are Hispanic. B. 3% of the voters are Hispanic. C. 0.368% of the voters are Hispanic. D. 36.8% of the voters are Hispanic.
Provide an appropriate response. Find the equation of the line that is parallel to the line 4x + y = 5 and passes through the point (-2, 0). Write the equation in standard form.
A. 4x + y = -8 B. x - 4y = -2 C. 4x - y = -8 D. x + 4y = -2
Determine the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (2, -3)
foci at (2 + 
, -3), (2 - 
, -3)
vertices at (-9, 2), (3, 2)
B. center at (-3, 2)
foci at (-3 + 
, -3), (-3 - 
, -3)
vertices at (6, 2), (-6, 2)
C. center at (-3, 2)
foci at (- 
, 2), (
, 2)
vertices at (6, 2), (-6, 2)
D. center at (-3, 2)
foci at (-3 + 
, 2), (-3 - 
, 2)
vertices at (-9, 2), (3, 2)
Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 30 feet above ground (the major axis). What should the span of the bridge be (the length of its minor axis) if the height 25 feet from the center is to be 11 feet above ground?
A. 26.87 ft B. 53.74 ft C. 136.36 ft D. 39.8 ft