Solve the problem.The function h(t) = -16t2 + 160t - 336 gives the height h, in feet, of a flare fired from the bottom of a gorge 336 feet deep with an initial velocity of 160 ft/sec. The flare fired is visible only when it is above the rim. During what interval can the flare be seen?

A. 6 < t < 10
B. 3 < t < 7
C. 9 < t < 13
D. 0 < t < 3


Answer: B

Mathematics

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A.
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C.
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Provide an appropriate response.Given that the counting frame   represents the number 7, where the value of each dot is represented by the number in the box below the dot, what does the counting frame   represent?

Fill in the blank(s) with the appropriate word(s).

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Find the LCD. Build up the fractions to equivalent fractions having the LCD as the denominator. and 

A.  and 
B.  and 
C.  and 
D.  and 

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