The following table shows the earnings for the Juarez family last year. Use this information to answer the question.MonthEarningsMonthEarningsJan.$1400July$1300Feb.$1150Aug.$2450Mar.$2950Sept.$2500Apr.$2300Oct.$2000May$1650Nov.$2350June$2700Dec.$2400What was the family's total income from January thru June?
A. $11,000
B. $9,200
C. $12,150
D. $13,000
Answer: C
Mathematics
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Add or subtract as indicated. Simplify, if necessary.
+ 
A. 1
B. 
C. 
D. 
Mathematics
Solve the problem. Round to the nearest tenth.The roof of a building is in the shape of the hyperbola y2 - x2 = 50, where x and y are in meters. Determine the distance, w, between the outside walls, if the height of each wall is 11 m.
A. 13.1 m B. 16.9 m C. 8.45 m D. 71 m
Mathematics
Factor the polynomial completely.169k2 - 81m2
A. (169k + m)(k - 81m) B. (13k - 9m)2 C. (13k + 9m)2 D. (13k + 9m)(13k - 9m)
Mathematics
Find the optimal (maximum and minimum) values of the objective function on the feasible set S.
Mathematics