Solve the problem.A ball is dropped from a cliff that is 368 feet high. The distance S (in feet) that it falls in t seconds is given by the formula S = 16t2. How many seconds (to tenths) will it take for the ball to hit the ground?
A. 4.8 sec
B. 8464 sec
C. 19.2 sec
D. 18.8 sec
Answer: A
Mathematics
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Find the intersection.-8x + 5y = 8, -7y - 4z = -2
A. x = -20t - 
, y = -32t + 
, z = 56t
B. x = -20t - 46, y = -32t - 2, z = 56t
C. x = -20t + 
, y = -32t - 
, z = -56t
D. x = -20t - 
, y = -32t + 
, z = 56
Mathematics
Use the quadratic formula to solve the equation.x2 + 10x + 41 = 0
A. -9, -1 B. -5 - 16i, -5 + 16i C. -5 - 4i, -5 + 4i D. -5 + 4i
Mathematics
Use the power rules for exponents to simplify the expression. Write the answer in exponential form.(8rt)3
A. 8r3t3 B. 83r3t C. 83rt3 D. 83r3t3
Mathematics
Simplify the fraction. If the fraction is already simplified, so state.
A. 
B. 
C. simplified
D. 
Mathematics