Use the simple interest formula to determine the missing value. Round dollar amounts to the nearest cent and percents to the nearest hundredth when necessaryp = $2400, r = ?, t = 4 years, i = $720.00
A. r = 18.9%
B. r = 13.33%
C. r = 7.5%
D. r = 0.08%
Answer: C
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Perform the indicated operations, expressing the answer in simplest form with rationalized denominators.
A. 
B. 22
C. 
D. 44
Provide an appropriate response.Verify the identity using the definitions of hyperbolic functions. coth (-x) = -coth x
What will be an ideal response?
Solve.The length of a rectangular room is 9 feet more than the width. The room has a floor area of 532 square feet. Find the length and width of the room.
A. The length is 28 ft, and the width is 19 ft. B. The length is 19 ft, and the width is 10 ft. C. The length is 37 ft, and the width is 28 ft. D. The length is 32 ft, and the width is 23 ft.
Find all real-number solutions. Round your answer to the second decimal place, if necessary. b2 = 49
A. ±98 B. ±7 C. ±24.5 D. No real-number solution