Provide the proper response.Can 
exist as a real number?
Fill in the blank(s) with the appropriate word(s).
Yes
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Provide an appropriate response.Why is the answer (x2 - 81)(x2 + 81) not the correct answer to the instruction "Factor 
) completely"?
What will be an ideal response?
Evaluate or simplify the given expression.sin(3 sin-1 x)
A. 2 + x - 2x2 - 2x3 B. 1 - 2x - 2x2 - 2x3 C. 3x - 4x3 D. 3x - 3x3
Solve the problem.The magnitude and direction of two forces acting on an object are 35 pounds, 
, and 55 pounds, S30°E, respectively. Find the magnitude, to the nearest hundredth of a pound, and the direction angle, to the nearest tenth of a degree, of the resultant force.
A. 
= 57.04; ? = -23.6°
B. 
= 65.19; ? = -7.5°
C. 
= 49.17; ? = -11.3°
D. 
= 43.30; ? = 2.7°
Solve by using the quadratic formula.y2 - 9y - 4 = 0
A. 
B. 
C. 
D. 