Factor the trinomial by grouping.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Find the exact value of the indicated trigonometric function of the angle ? in the figure. Rationalize the denominator where necessary.Find csc ?.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the measure of an angle such that the difference between its supplement and 3 times its complement is 50°.
A. 83° B. 35° C. 166° D. 70°
Mathematics
Find the slope of the line containing the two points.(-7, -2); (4, -8)
A. 
B. - 
C. - 
D. 
Mathematics
Simplify the complex fraction.
A. 
B. 
C. 
D. 
Mathematics