Rationalize the denominator. Simplify, if possible.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.For a remodeling project, the building contractors designed a chute extending from a third-floor balcony to a dumpster located in the hotel parking lot. The chute has a rise of 35 feet for every 70 feet in horizontal distance. Find the grade of the chute. Round to the nearest whole percent.
A. 20% B. 50% C. 55% D. 0.5%
Solve the following system by any appropriate method. If there is no real number solution, so state.x + y = 10x2 + y2 = 6
A. (6, 
), (6, -
), (-6, 
), (-6, -
)
B. (10, 6), (10, -6), (-10, 6), (-10, -6)
C. (10, 
), (10, -
), (-10, 
), (-10, -
)
D. no real solution
Solve the equation for the indicated variable.P = 
for r
A. r = 
B. r = P - At
C. r = 
D. r = 
Suppose the point (2, 4) is on the graph of y = f(x). Find a point on the graph of the given function.y = f(x + 4)
A. (-2, 4) B. (2, 8) C. (2, 0) D. (6, 4)