A boy is standing on a flat field and tosses his ball toward a second boy standing at the other end of the field. The path of the ball is a parabola, and the equation of the path is 
Based on this information, answer the question.How many x-intercepts are there on the graph of the equation?
A. 2
B. 0
C. 1
D. None of the above
Answer: A
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Solve the problem.The city council gave a questionnaire to its citizens, asking them to rank their priorities for next year's budget. People were asked to rank the following four choices: (P)olice, (R)oads, (S)chools, and (T)rash removal. The results are summarized in the table below.
Which choice is the winner of a sequential runoff?
A. T B. S C. R D. P
Simplify the expansion.(2 × 107) + (2 × 106) + (9 × 102) + (8 × 100)
A. 22,000,098 B. 4,000,908 C. 22,000,908 D. 22,000,980
Solve.The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. The helicopter flies for 7 hours and uses 70 gallons of fuel. Find the number of gallons of fuel that the helicopter uses to fly for 5 hours.
A. 60 gallons B. 2 gallons C. 98 gallons D. 50 gallons
Write the expression in radical notation.(mn)1/7
A. (mn)-7
B. 
C. 
D. 