Find the maximum or minimum value of the given objective function of a linear programming problem. The figure illustrates the graph of feasible points. 
z = 9x + 10y. Find minimum.
A. minimum: 68
B. minimum: 56
C. minimum: 57
D. no minimum
Answer: B
Mathematics
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Solve. Write a mixed numeral for the answer.There were 23
yards of wire on a spool. After a customer bought 3
yards of wire from the spool, how many yards were left?
A. 19
yd
B. 18
yd
C. 19 yd
D. 20
yd
Mathematics
Factor completely.16y2 + 72y - 40
A. (16y - 8)(y + 5) B. (2y - 1)(8y + 40) C. 8(2y - 1)(y + 5) D. 8(2y + 1)(y - 5)
Mathematics
What percent of 5.18 is 1.5? Round to the nearest tenth of a percent when necessary.
A. 31.0% B. 29.0% C. 39.0% D. 19.0% E. 43.5%
Mathematics
Graph the inequality.y > -x2
A. 
B. 
C. 
D. 
Mathematics