Find the real roots of the equation by factoring.
?
?
A. 3 and -10
B. 4 and -8
C. 4 and -7
D. 5 and -7
E. 5 and -8
Answer: E
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A. 
B. 
C. 
D. 
Give the value of the function in radians. Round to the nearest thousandth when necessary.cos-1 -0.9605
A. 1.289 B. 2.86 C. 1.853 D. 0.282
The point P on the circle x2 + y2 = r2 that is also on the terminal side of an angle ? in standard position is given. Find the indicated trigonometric function.(12, 5)Find cos ?.
A. - 
B. 
C. - 
D. 
Write the answer to the problem as an algebraic expression.The product of two numbers is 10. One of the numbers is t. Find the other number.
A. 
B. 10t
C. 
D. 10 - t