Solve the problem.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is 
where s is in feet. How long (to the nearest tenth) will it take the ball to fall 140 feet?
A. 1.9 sec
B. 3.0 sec
C. 2.1 sec
D. 4.4 sec
Answer: C
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The rectangular coordinates of a point are given. Find polar coordinates for the point.(0.6, -1.1) Round the polar coordinates to two decimal places, with ? in degrees.
A. (1.25, -57.93°) B. (1.25, 61.39°) C. (1.25, 57.93°) D. (1.25, -61.39°)
Solve the problem.From 10 names on a ballot, a committee of 4 will be elected to attend a political national convention. How many different committees are possible?
A. 5040 B. 210 C. 151,200 D. 2520
Solve the problem.Find the amount of a continuous money flow in which $700 per year is being invested at 8.5%, compounded continuously for 30 years.
A. $826,497.26 B. $97,234.97 C. $113,705.56 D. $105,470.27
Point P lies in the exterior of 
so that 
is tangent to the circle. Also, 
is a secant that intersects
src="https://sciemce.com/media/4/ppg__cognero__Section_6.3_Line_and_Segment_Relationships_in_the_Circle__media__0bc60169-d8d1-47b5-9fca-2c6a2e6d1f69.PNG" width="28px" height="18px" align="absmiddle" style="vertical-align:-5px;" /> at B and C, where P-B-C. If PB = 9 and BC = 7, find PA. A. 10 B. 12 C. 16 D. None of These