Find the distance between the pair of points.
and 
A. 
B. 8
C. 2
D. 
Answer: D
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Find the unpaid balance at the end of the month for the account. UnpaidBalance atFinance
Sep?$284.90$171.87$30.21$65.00Oct?$83.75$80.00Nov?$119.08$17.40$105.00Finance rate is 1.9% on the unpaid balance.Find unpaid balance at the end of Nov.
A. $366.97 B. $407.90 C. $377.69 D. $381.55
Determine the amplitude or period as requested.Period of y = -5 sin 4?x
A. 
B. 4?
C. 
D. 2
Solve the problem.A bridge constructed over a river has a supporting arch in the shape of a parabola. The length of the road over the parabolic arch is 252 feet and the maximum height of the arch is 114 feet. Write the equation of the arch.
A. y = 
x2 + 114
B. y = - 
x2 + 114
C. y = -x2 + 114
D. y = x2 + 114
Solve the problem.An object is propelled vertically upward from the top of a 272-foot building. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. After how many seconds does the object reach its maximum height? Round to the nearest tenth of a second if necessary.
A. 15.1 sec B. 2 sec C. 7 sec D. 1.1 sec