Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.x2 - 8x + 15
A. (x + 3)(x + 1)
B. (x + 3)(x - 5)
C. (x - 3)(x - 5)
D. prime
Answer: C
Mathematics
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Use properties of logarithms to expand the logarithmic expression as much as possible.log7 (r + 7)6
A. 6log7 (r + 7) B. log7 (6r + 42) C. 6(log7 r + log7 7) D. log7 r6 + log7 117,649
Mathematics
Solve the problem.Use Ohm's Law, I = 
, to find the current I, given voltage 
and impedance 
A. 845(cos 190° + i sin 190°) B. 13(cos 150° + i sin 150°) C. 13(cos 85.0° + i sin 85.0°) D. 60(cos 150° + i sin 150°)
Mathematics
Graph the function f by starting with the graph of y = x2 and using transformations (shifting, compressing, stretching, and/or reflection).f(x) = 
x2 + 
x - 1 
A. 
B. 
C. 
D. 
Mathematics
Evaluate without using a calculator.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics