Solve the problem.An object is propelled vertically upward from the top of a 16-foot building. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. How many seconds does it take until the object finally hits the ground? Round to the nearest tenth of a second if necessary.
A. 5.5 seconds
B. 0.1 seconds
C. 2 seconds
D. 11.1 seconds
Answer: D
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Find all real numbers in the interval [0, 2?) that satisfy the equation.2 sin2 x = sin x
A. 
B. 
C. 
D. 
Find the specified minor and cofactor for the matrix A.M11 and A11 if A = 
A. M11 = 24 and A11 = 24 B. M11 = 24 and A11 = - 24 C. M11 = 23 and A11 = 23 D. M11 = -23 and A11 = -23
Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275 B. 0.22 C. 0.5667 D. 0.7083
Evaluate the combination.C(29, 1)
A. 2 B. 29 C. 29! D. 29! - 10