Solve the problem.At about what velocity do you enter the water if you jump from a 15 meter cliff? (Use 
A. 17 m/sec
B. -8.5 m/sec
C. 2 m/sec
D. -17 m/sec
Answer: D
Mathematics
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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(0, 5)} B. {(-1, 5)} C. no solution; ? D. {(0, 4)}
Mathematics
Find the limit, if it exists.
A. 1
B. 
C. 
D. ?
Mathematics
Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. 160 sec B. -2 sec C. 5 sec D. 2 sec
Mathematics
Find the product.(2x6y5z)(-9x7yz3)
A. -18x42y5z3 B. -7x13y6z4 C. -7x42y5z3 D. -18x13y6z4
Mathematics