Solve the problem.If a rocket is propelled upward from ground level, its height h in meters after t sec is given by h(t) = -9.8t2 + 98t. During what interval of time will the rocket be higher than 

A. 0 sec < t < 4 sec
B. 0 sec < t < 6 sec
C. 8 sec < t < 10 sec
D. 4 sec < t < 6 sec


Answer: D

Mathematics

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Represent the shaded area in the figure group with an improper fraction.

A.
B.
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Solve the problem.The stem and leaf plot depicts the scores earned on individual driver tests in the month of July.  Units 10|0 = 10 0 pointsIf the minimum passing score is 80 points, how many people passed the driver test?

A. 41 B. 42 C. 43 D. 44

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Associate the given name with one of the following geometries: Euclidean, hyperbolic, elliptic.Nikolai Lobachevski

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Write the compound inequality as an absolute value inequality. Do not simplify.6x ? -7 or 6x ? 7

A.  ? 7
B.  ? 7
C.  ? -7 or  ? 7
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