Find the center and radius of the circle.x2 + 18x + 81 + y2 + 6y + 9 = 64
A. (3, 9), r = 64
B. (-3, -9), r = 8
C. (-9, -3), r = 8
D. (9, 3), r = 64
Answer: C
Mathematics
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The simple interest note was discounted at 12%. Find the discount period in days and the proceeds to the nearest cent. A year is assumed to have 360 days for all calculations. Loan made: January 8Face value: $2300Length of loan: 120 daysSimple interest rate: 7%Date of discount: March 8
A. 60 days, $2326.21 B. 61 days, $2272.54 C. 61 days, $2252.14 D. 61 days, $2305.81
Mathematics
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Mathematics
What is the volume of the right regular pentagonal prism with height 10 feet and base edges each 1 foot?
What will be an ideal response?
Mathematics
Solve.
= 
A. x = 
B. x = 9
C. x = 19
D. x = 38
Mathematics