Provide an appropriate response.In the sum-of-year digits method, the combined value of the numerator factors equals the numerical value of the denominator.
A. True
B. False
Answer: A
Mathematics
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Find the length of the curve.The spiral r = 8?, 0 ? ? ? ?
A. 
B. 4(?
+ ln (? + 
))
C. 8
D. 
((?2 + 1)3/2 - 4)
Mathematics
Perform the addition or subtraction.(4x4 - 5x2) + (9x4 - 2x2)
A. 6x6 B. 6x12 C. 13x8 - 7x4 D. 13x4 - 7x2
Mathematics
Use the discriminant to determine the number of real solutions.v2 - 4v - 1 = 0
A. No real solutions B. One real solution C. Two real solutions
Mathematics
Multiply. Write the answer in simplest form.40 ? 
A. 25
B. 
C. 20
D. 
Mathematics