Solve the equation. Round to the nearest tenth, if necessary.A ball is dropped from a cliff that is 272 ft high. The distance S (in feet) that it falls in t seconds is given by the formula S = 16t2. How many seconds will it take for the ball to hit the ground? Round to the nearest tenth of a second.
A. 16.5 sec
B. 16 sec
C. 4.1 sec
D. 4624 sec
Answer: C
Mathematics
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Decide whether the problem is an equation or an expression.
= 
- 3
A. Expression B. Equation
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A. 
B. 
C. 
D. 
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= 7
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