Solve the problem.A rock falls from a tower that is 224 ft high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h=0)?
A. 3136 s
B. 14.4 s
C. 15 s
D. 3.7 s
Answer: D
Mathematics
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Identify the multiplication model that best fits the problem. Do not solve the problem.How many 3-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, if repetitions are not allowed?
A. Cartesian product model B. Measurement model C. Set model D. Array model
Mathematics
Two dice are rolled. Find the probability of the event described.The score on the dice is 10.
A. 
B. 
C. 
D. 
Mathematics
Rationalize the numerator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Write the fraction in lowest terms.
A. 
B. 
C. 
D. 
Mathematics