Solve the problem by using two equations with two variables.Kelly is a partner in an Internet-based seed and garden supply business. The company offers a blend of exotic wildflower seeds for $90 per pound and a blend of common wildflower seeds for $50 per pound. Kelly is creating a medium-price product by mixing together 27 pounds of the more expensive blend with 6 pounds of the less expensive blend. What will be the price per pound for the new blend? (Round to the nearest cent, if necessary.)
A. $57.27 per pound
B. $19.50 per pound
C. $13.50 per pound
D. $82.73 per pound
Answer: D
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Find the points of inflection and discuss the concavity of the function 
on the interval 
.
?
A. no inflection points. concave up on ?
B. concave downward on 
; concave upward on 
; inflection point at 
?
C. no inflection points. concave down on ?
D. concave upward on 
; concave downward on 
; inflection point at 
?
E. none of the above?
You use 187 feet of wire to make three sides of a rectangular pen. The fourth side is the wall of a barn. If you use w feet for the width, the area you enclose is given by
square feet.
A: Make a graph of A versus w. In choosing a viewing window, you should bear in mind that the width will certainly be no more than half the total amount of fence.B: What width gives the maximum area? Round your answer to two decimal places, if necessary.C: What is the maximum area? Round your answer to two decimal places, if necessary.
What will be an ideal response?
Graph the function.
A. 
B. 
C. 
D. 
Calculate the course load for student with the following schedule: 13 credit hours and 20 hours of employment.
A) 19 B) 36 C) 86 D) 59 E) 99