Factor the trinomial.3x2 - 7x - 20
A. (5x + 3)(x - 4)
B. (x - 5)(x - 4)
C. (3x + 5)(x - 4)
D. (x + 3)(x - 4)
Answer: C
Mathematics
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Express the sum using summation notation. Use a lower limit of summation, not necessarily 1, and k for the index of summation.33 + 43 + 53 + . . . + 93
A. 
B. 
C. 
D. 
Mathematics
Evaluate the given expression.cot-1 (-1)
A. 
B. 
C. 
D. 
Mathematics
Convert.0.12 meters = ____ millimeters
A. 12 B. 120 C. 0.00012 D. 0.0012
Mathematics
A satellite in a 100-mile-high circular orbit around Earth has a velocity of approximately 17,500 miles per hour. If this velocity is multiplied by , the satellite will have the minimum velocity necessary to escape Earth’s gravity and will follow a parabolic path with the center of Earth as the focus. (Hints: The radius of Earth is 4,000 miles.)
What will be an ideal response?
Mathematics