Solve the problem.A rock falls from a tower that is 93.1 m 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. 1800 s
B. 9.6 s
C. 9.4 s
D. 4.4 s
Answer: D
Mathematics
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Rationalize the denominator of the following expression and then simplify your answer.
?
?
A. 3
B. 
C. 
D. 
E. 
Mathematics
Convert the following metric numbers to basic numbers:
a. 27 kê = __________ b. 21 mA = __________ c. 9 æV = __________
Mathematics
Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. No inverse
Mathematics
Use the circle graph of one family's allowance for appliances in their new house to complete the exercise. Write ratios as fractions in lowest terms.
A = $637D = $682B = $1027E = $358C = $271F = $123Find the ratio of refrigerator to stove.
A. 
B. 
C. 
D. 
Mathematics