Find the indicated angle or side. Give an exact answer.Find the measure of angle A in degrees.
A. 140°
B. 135°
C. 60°
D. 120°
Answer: D
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Factor out the GCF from the polynomial.9(y + 5) - x(y + 5)
A. (y + 5)(9 - x) B. (y + 5)(9 + x) C. (9y + 45) - (xy + 5x) D. (y - 5)(x - 9)
Solve the problem.The table lists the distance traveled by a falling object, where t is the elapsed time in seconds and d is the distance in meters.
If the distance is modeled by d(t) = at2, find the distance traveled after 13 seconds.
A. 4057.69 meters B. 828.1 meters C. 2704 meters D. 676 meters
List all the elements of B that belong to the given set.B = {7, 
, -8, 0, 
, - 
, 7.7, 
}Counting numbers
A. 
B. {7, 0}
C. {-8, 0, 7}
D. 
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 9x - y + 4z = 20 2x + 4y + 3z = 15 4x - 9y + z = -9
A. {(-2, 2, 4)} B. ? C. {(2, 1, 2)} D. {(2, 2, 1)}