Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.75x + 4.07
B. y = 0.85x + 3.07
C. y = 0.95x + 3.07
D. y = 0.75x + 5.07
Answer: D
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Solve the problem.Joan can mow a 3-acre field in 4 hours. How long would it take her to mow a 1.5-acre field?
A. 5 hr B. 2 hr C. 4 hr D. 0.5 hr
Postal regulations specify that the combined length and girth of a parcel sent by parcel post may not exceed 120 in. Find the dimensions of the rectangular package that would have the greatest possible volume under these regulations. (Hint: Let the dimensions of the box be x'' by y'' by z'' (see the figure below). Then, 
, and the volume
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. Maximize 
.)
?
?
A. x = 20 inches, y = 40 inches, z = 20 inches, V = 16,000 cubic inches
B. x = 20 inches, y = 20 inches, z = 17 inches, V = 6,800 cubic inches
C. x = 22 inches, y = 40 inches, z = 22 inches, V = 16,000 cubic inches
D. x = 22 inches, y = 39 inches, z = 17 inches, V = 14,586 cubic inches
E. x = 22 inches, y = 40 inches, z = 17 inches, V = 14,586 cubic inches
Provide an appropriate response.An investor has $12,000 to purchase stock in two companies. If the first stock sells for $45 per share, and the second stock sells for $62 per share, find an equation that shows the possible ways to purchase the stock.
What will be an ideal response?
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 