Factor completely. If the polynomial cannot be factored, write "prime."49y4 - 81
A. (7y2 + 9)(7y2 - 9)
B. prime
C. (7y2 + 9)2
D. (7y2 - 9)2
Answer: A
Mathematics
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Evaluate the expression for the given values of the variables, if possible.-
a = 16
A. -4 B. Not an integer C. -6 D. 4
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Find the standard equation of the hyperbola.Foci at (0, ±6), a conjugate axis with length 4
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Find the indicated matrix.Let A = 
and B = 
. Find A + B.
A. 
B. 
C. 
D. 
Mathematics
Use a calculator to evaluate an ordinary annuity formula for m = $90, r = 7%, and t = 5 yr. Assume monthly payments.
?
?
A. $6,210.80 B. $7,821.77 C. $7,011.04 D. $6,443.36 E. $7,469.65
Mathematics