Solve the problem.Find the sale price when the original price is $98.20 and the discount rate is 60%.
A. $92.31
B. $39.28
C. $58.92
D. $5.89
Answer: B
Mathematics
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Find the sum of the sequence.
A. 56 B. 36 C. 90 D. 83
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Find the range of the given function.f(x) = -8x + x2 + 26
A. (-?, 0] B. [-4, ?) C. [10, ?) D. [4, ?)
Mathematics
Solve the problem. Round to two decimal places unless otherwise indicated.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: y = 
. How many hours of study are needed to score 91?
A. 4.60 hr B. 99.97 hr C. 46.00 hr D. 9.63 hr
Mathematics
Write the mixed number as an improper fraction.5
A. 
B. 
C. 
D. 
Mathematics