Factor completely.49(x + 3)2 - 4y2
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Graph the system of inequalities.x + 2y ? 2x - y ? 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A generator produces an alternating current according to the equation I = 56 sin 69?t, where t is time in seconds and I is the current in amperes. What is the smallest time t such that I = 28?
A. 
sec
B. 
sec
C. 
sec
D. 
sec
Mathematics
Use the given triangles to evaluate the expression. Rationalize all denominators. 
cos 
A. 
B. 
C. 
D. 
Mathematics
Draw the angle having the radian measure.
A. 
B. 
Mathematics