Solve the equation.log2x = 3
A. {8}
B. {9}
C. {6}
D. {1.58}
Answer: A
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Answer the question. You will need to use the formula 4.9t2 + vot = s.A rock is dropped from a helicopter at an altitude of 64 meters. Approximately how long does it take for the rock to reach the ground?
A. 3.6 seconds B. 13.8 seconds C. 10.9 seconds D. 0.9 seconds
Solve the problem.The loudness of a sound can be quantified in units called decibels, where the number of decibels d is given by the formula 
What is the decibel rating of a sound having an intensity 
I0?
A. 3 decibels B. 30 decibels C. 13 decibels D. 1000 decibels
Provide an appropriate response.Identify three common factors of 5x2 + 10x.
A. 5, 10, x B. 5, 5x, 10x C. 5, x, x2 D. 5, x, 5x
Use Cramer's rule to solve the system. 2x - 2y = 2 2x + 2y = 30
A. {(-7, 8)} B. {(7, 8)} C. {(8, 7)} D. {(-8, -7)}