Simplify the expression using the order of operations.-2 - (-7 + 9 ? 9 - 2)
A. 70
B. -74
C. -78
D. -88
Answer: B
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For a certain line, a run of 5 feet corresponds to a rise of 7 feet. What is the slope of this line? ?
A. 1.40 feet B. 0.71 feet C. 1.03 feet D. 1.53 feet
Solve each equation for y as an expression in x. Then equate the expressions to obtain an equation in the variable x. Finally, solve the equation for the unknown x.y - 37x = -36; y - 7x = 9
A. 
B. 
C. 
D. 
Write an algebraic equation and use it to solve the problem.A promotional deal for long distance phone service charges a $15 basic fee plus $0.05 per minute for all calls. If Joe's phone bill was $57 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.
A. 2 minutes B. 1440 minutes C. 840 minutes D. 8 minutes
Solve for base in the problem. Round to the nearest hundredth, if necessary.37 yards is .81% of yards.
A. 4567.9 B. 2.19 C. 45,679 D. 219