Factor completely.9m2 - 
A. 
2
B. 
2
C. Prime
D. 
Answer: D
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Use the discriminant to determine the number and type of solutions for the given equation.x2 - 7x + 8 = 0
A. one (repeated) real rational solution B. two real rational solutions C. two imaginary solutions D. two real irrational solutions
Solve using the absolute value property.| 5x - 8 | = 7
A. 
B. 
C. 
D. 
Round as indicated.335,401 to the nearest ten
A. 335,380 B. 335,410 C. 335,400 D. 335,500
Solve the problem.A boy is flying a model airplane while standing on a straight line. The plane, at the end of a twenty-five foot wire, flies in circles around the boy. The directed distance of the plane from the straight line is found to be d = 25 cos 
where d is measured in feet and t is the time in seconds. If d > 0, the plane is in front of the boy; if d < 0, the plane is behind him. What is the amplitude? What is the period? Graph d over two periods beginning at t = 0. 
What will be an ideal response?