Find the center and radius of the circle.x2 + y2 + 6x - 18y + 90 = 81
A. (-9, 3), r = 81
B. (3, -9), r = 81
C. (-3, 9), r = 9
D. (9, -3), r = 9
Answer: C
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If two fair dice, one red and one white, are rolled, in how many ways can the result be obtained?A 5 is on at least one of the dice.
A. 12 ways B. 6 ways C. 11 ways D. 10 ways
Solve the linear programming problem.A candy company has 135 pounds of cashews and 180 pounds of peanuts which they combine into two different mixes. The deluxe mix has half cashews and half peanuts and sells for $6 per pound. The economy mix has one third cashews and two thirds peanuts and sells for $5.90 per pound. How many pounds of each mix should be prepared for maximum revenue?
A. 180 deluxe, 135 economy B. 90 deluxe, 45 economy C. 270 deluxe, 90 economy D. 135 deluxe, 0 economy
An investment is made at 7.625% per year, compounded continuously. What is the doubling time? Round to the nearest year.
What will be an ideal response?
Determine whether the statement is true or false.The fractions 
, 
, and 
are all equivalent.
A. True B. False