Solve the problem.Jake has a cable that is 82.5 feet long. He wants to cut it into pieces that are 7.5 feet long. How many 7.5-foot pieces will he get from the cable?
A. 10 pieces
B. 12 pieces
C. 11 pieces
D. 110 pieces
Answer: C
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A hypothesis test is to be performed. State the null and alternative hypotheses.During one flu epidemic the proportion of adults nationwide who have come down with the flu is 8%. The manufacturer of a flu vaccine claims that those who have been vaccinated are less likely to catch the flu.
A. Null hypothesis: proportion of those vaccinated catching the flu = 8% Alternative hypothesis: proportion of those vaccinated catching the flu < 8% B. Null hypothesis: proportion of those vaccinated catching the flu = 8% Alternative hypothesis: proportion of those vaccinated catching the flu ? 8% C. Null hypothesis: proportion of those vaccinated catching the flu < 8% Alternative hypothesis: proportion of those vaccinated catching the flu = 8% D. Null hypothesis: proportion of those vaccinated catching the flu > 8% Alternative hypothesis: proportion of those vaccinated catching the flu < 8%
Graph the equation.
?
?
A. 
B. ?
C. ?
D. ?
Solve the inequality. Express your answer using interval notation.-3x - 7 ? -4x - 6
A. [-13, ?)
B. [1, ?)
C. (-?, 1)
D. (-?, 1]
Solve the problem.The graph depicts a relationship between scores achieved on an unspecified standardized test and family income. Find the slope of the line.
A. 100 points per thousand dollars B. 10.1 points per thousand dollars C. 1000 points per thousand dollars D. 1 point(s) per thousand dollars