Solve the problem.On August 10, the Fernandez family received 31 pieces of mail, consisting of magazines, bills, letters, and ads. If they received the same number of magazines as letters, three more bills than letters, and five more ads than bills, how many magazines did they receive?
A. 6 magazines
B. 5 magazines
C. 13 magazines
D. 8 magazines
Answer: B
Mathematics
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Solve the inequality. Graph the solution set, and state the solution set in interval notation.|x| ? 3
A. (-?, -3] ? [3, ?)
B. (-3, 3)
C. [-3, 3]
D. (-?, 3]
Mathematics
Find the perimeter.
A. 57 cm B. 203 cm C. 58 cm D. 59 cm
Mathematics
Determine whether the given point is on the graph of the equation.y = 
; 
A. Yes B. No
Mathematics
Determine whether the variation between the indicated quantities is direct or inverse.The radius of a circle and its circumference
A. Inverse B. Direct
Mathematics