Perform the indicated operation or operations, if possible.
+ 
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Factor the expression completely. If the polynomial is prime, state this as your answer.a2b2 - 36
A. (b + 6)(b - 6) B. (a2b + 6)(ab - 6) C. (ab + 36)(ab - 36) D. (ab + 6)(ab - 6)
Mathematics
Find the exact value using a double-angle identity.sin 
A. 
B. - 
C. - 
D. 
Mathematics
Solve the problem.Janet drove 268 kilometers and the trip took 4 hours. How fast was Janet traveling?
A. 1072 km/hr
B. 68 km/hr
C. 
km/hr
D. 67 km/hr
Mathematics
Find an equation of a parabola satisfying the given conditions.Focus at (-5, -1), directrix y = 9
A. (y + 5)2 = -20(x - 4) B. (x + 5)2 = -20(y + 4) C. (y + 5)2 = -20(x + 4) D. (x + 5)2 = -20(y - 4)
Mathematics