Solve the problem.A formula used to determine the velocity v in feet per second of an object (neglecting air resistance) after it has fallen a certain height is 
where g is the acceleration due to gravity and h is the height the object has fallen. If the acceleration g due to gravity on Earth is approximately 32 feet per second per second, find the velocity of a bowling ball after it has fallen 70 feet. (Round to the nearest tenth.)
A. 4480 ft per sec
B. 47.3 ft per sec
C. 11.8 ft per sec
D. 66.9 ft per sec
Answer: D
Mathematics
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Perform the indicated division and find a simplified expression.A patio has an area of 2m3 + 13m2 + 8m - 45. Find the length if the width is 2m + 9.
A. m3 + 2m2 - 5m B. m2 - 2m + 5 C. m2 + 2m - 5 D. m2 + 11m - 5
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Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?
A. q and s B. p and r C. Only r D. No reflection symmetry
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Use the properties of logarithms to evaluate the expression.10log t
A. 10t B. t C. 10t D. 1
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Let x represent the number. Write the English phrase as an algebraic expression.The sum of 142 and a number
A. 142x B. 142 C. 142 + x D. 142 - x
Mathematics