Provide an appropriate response.
Factor: x2 - 100
A. (x + 50)2
B. (x - 10)2
C. (x + 50)(x - 50)
D. (x + 10)(x - 10)
Answer: D
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A. {15}
B. {- 
}
C. {
}
D. ?
Solve the problem.A faucet is used to add water to a large bottle that already contained some water. After it has been filling for 5 seconds, the gauge on the bottle indicates that it contains 28 ounces of water. After it has been filling for 12 seconds, the gauge indicates the bottle contains 63 ounces of water. Let w be the amount of water in the bottle t seconds after the faucet was turned on. Write a linear equation that models the amount of water in the bottle in terms of x.
A. w = 
t + 27
B. w = 5t + 3
C. w = -5t + 53
D. w = 5t + 51
Solve the problem.For a circle of radius 4 feet, find the arc length s subtended by a central angle of 30°. Round to the nearest hundredth.
A. 376.99 ft B. 2.09 ft C. 4.19 ft D. 6.28 ft
Solve the equation.(x - 8)(x + 9) = 0
A. {8, -9} B. {8, -8, 9, -9} C. {-8, 9} D. {8, 9}