Factor completely, if possible.27a4 - 147b2
A. 3(3a2 - 7b)2
B. 3(3a2 + 7b)(3a2 - 7b)
C. Prime
D. 3(3a2 + 7b)2
Answer: B
Mathematics
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Find the y-intercepts for the parabola whose equation is given. If the y-intercepts are irrational, round your answers to the nearest tenth.y = -x2 + 19x - 90
A. y-intercept (0, -9) B. y-intercept (0, 90) C. y-intercept (0, 9) D. y-intercept (0, -90)
Mathematics
Multiply.-10x7(5x4 + 10)
A. -50x11 + 10 B. -50x4 - 100 C. -150x7 D. -50x11 - 100x7
Mathematics
Evaluate the given definite integral.
?
?
A. 
B. 
C. 
D. 
Mathematics
Find the probability.A bag contains 13 balls numbered 1 through 13. What is the probability of selecting a ball that has an even number when one ball is drawn from the bag?
A. 6
B. 
C. 
D. 
Mathematics