Solve for the requested variable.y varies jointly as a and b and inversely as the square root of c, and y = 6 when a = 4, b = 3, and 
. Find y when a = 10, b = 7, and c = 4.
A. y =140
B. y =35
C. y =560
D. y =70
Answer: A
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Write an expression for the general or nth term, an, of the arithmetic sequence.3, -7, -17, -27, . . .
A. an = -10(n+1) + 3 B. an = -10n + 3 C. an = -10n + 13 D. an = -10n- 13
Solve for x using an equivalent exponential expression.A hotel is building a fitness center measuring 237 ft × 59 ft. The flooring to cover the space is made of a special 3-layered cushioned tile and costs 
per square foot. How much will it cost for the new flooring?
A. $315 B. $265,677 C. $13,983 D. $11,248
Identify the intersection of the plane with the solid.Egg-shaped
The remainder of the figure is below the plane.
A. Semicircle
B. Circle or oval
Use a proportion to solve the problem.On a map, the length of a nature-center trail is 5.4 centimeters. If the scale is 2 centimeters to 42 kilometers, what is the actual length of the trail?
A. 113.4 kilometers B. 226.8 kilometers C. 117.4 kilometers D. 114.4 kilometers