Graph the equation.y = -7x
A. 
B. 
C. 
D. 
Answer: B
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?Which of the following is not equivalent to: 3x = –35
A. ?x = –11.7 B. ?x = 11.7 C. ?9x = –105 D. ?3x = –35 E. ?- x = 11.7 F. ?–9x = 105
Solve the problem.The sum of three numbers is 6. The first, minus the second, plus 2 times the third, is -2. The third, plus 2 times the first, plus the second, is 11. What are the numbers?
A. -5, -3, 2 B. 5, 3, -2 C. 5, 5, 3 D. No solution
Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.The heights of a group of professional basketball players are summarized in the frequency distribution below. Find the standard deviation. Round your answer to one decimal place. 
A. 2.9 B. 3.2 C. 3.3 D. 2.8
Solve the problem. If the answer is an amount of money, round to the nearest dollar.Oscar and Paula went on a 30-mile canoe trip with their class. On the first day they traveled 15 miles. What percent of the total distance did they canoe?
A. 0.5% B. 200% C. 50% D. 2%