Solve the problem.A rock falls from a tower that is 368 feet 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. 19.2 sec
B. 8464 sec
C. 4.8 sec
D. 18.8 sec
Answer: C
Mathematics
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Make the required change in the given equation.x2 + y2 + z2 = 9 to spherical coordinates
A. ? = 9 B. ? = 0, ? = 0 C. z = 3 D. ? = 3
Mathematics
Combine the following, if possible.26
- 13
A. 13
B. 13
C. 39
D. 143
Mathematics
Assume that x, y, and b are positive numbers. Use the properties of logarithms to write the expression 
in terms of the logarithms of x and y.
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Find the perimeter of the triangle.
A. 66 cm B. 65 cm C. 64 cm D. 255 cm
Mathematics