Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 
and the gorge is 336 ft deep, during what interval can the flare be seen?(h = -16t2 + v0t + h0.)
A. 3 < t < 7
B. 0 < t < 3
C. 9 < t < 13
D. 6 < t < 10
Answer: A
Mathematics
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Write the phrase as a mathematical expression. Use x as the variable.One-third of a number added to the difference of the number and four
A. 
B. 
C. 
x + (4 - x) or (4 - x) + 
x
D. 
x + (x - 4) or (x - 4) + 
x
Mathematics
Determine whether the proportion is true or false.
= 
A. True B. False
Mathematics
Provide an appropriate response.Choose the expression that is equivalent to the following: 0 + 6c
A. -6c B. 6 + c C. 6c D. 0
Mathematics
Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.(A ? B) ? C
A. {2, 3, 5} B. {1, 2, 3, 5} C. {1, 2, 3} D. {1, 2, 3, 4, 5, 9}
Mathematics