Solve.The following table gives the electricity usage (in kilowatt hours) for the Peters family for six months.
What is the average electricity usage for the months February through June?
A. 971.33 kwh
B. 973.22 kwh
C. 971.85 kwh
D. 975.24 kwh
Answer: B
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Subtract.5857
A. 641 B. 645 C. 5645 D. 621
Find the domain and range.{(6, 8), (-7, 1), (12, 7), (10, 5), (-5, -2)}
A. D = {10, -7, 12, 6, -5}; R = {5, 1, 7, 8, -2} B. D = {10, 5, -7, 1, 12}; R = {7, 6, 8, -5, -2} C. D = {5, 1, 7, 8, -2}; R = {10, -7, 12, 6, -5} D. D = {7, 6, 8, -5, -2}; R = {10, 5, -7, 1, 12}
Convert the volume as indicated.0.969 milliliters to liters
A. 96.9 L B. 969 L C. 0.000969 L D. 0.00969 L
Solve the problem.The position of a weight on a spring relative to the point of equilibrium is given byy = 4 cos 3t - 8 sin 3t,where the arguments are in radians and t is in seconds. Find the smallest value of t for which the weight is at the point of equilibrium 
Give your answer to the nearest hundredth.
A. 0.37 B. 0.26 C. 0.44 D. 0.15