Solve the problem.If an object is thrown upward with an initial velocity of 
, its height after t sec is given by 
Find the number of seconds before the object hits the ground.
A. 4 sec
B. 64 sec
C. 112 sec
D. 8 sec
Answer: D
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Provide an appropriate response.Perform the indicated operations: 42 + 33 =
A. 17 B. 25 C. 35 D. 43
Solve.The gravitational attraction A between two masses varies inversely as the square of the distance between them. The force of attraction is 4 lb when the masses are 3 ft apart, what is the attraction when the masses are 6 ft apart?
A. 4 lb B. 1 lb C. 3 lb D. 2 lb
Use the figure below to answer the following question(s).
The nearest-neighbor tour with starting vertex D is uniquely D, E, A, B, C, D
A. only if x > 9. B. only if x > 4. C. only if x > 5. D. only if x > 1. E. regardless of the value of x.
Solve using Cramer's rule, if possible. If it is not possible, state whether the system is inconsistent or has infinitely many solutions.
A. (5, 4) B. (-5, -4) C. (4, 5) D. (-4, 5)