Perform the indicated operation and, if possible, simplify.
? 
A. - 
B. 
C. 
D. - 
Answer: A
Mathematics
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Solve the problem.You want to make an angle measuring 150° by marking an arc on the perimeter of a disk with a diameter of 8 inches and drawing lines from the ends of the arc to the disk's center. To the nearest tenth of an inch, how long should the arc be?
A. 10.5 in. B. 5.2 in. C. 41.9 in. D. 20.9 in.
Mathematics
Solve the quadratic equation by completing the square.7x2 + 9x + 7 = 0
A. 
B. 
C. 
D. 
Mathematics
Use a truth table to determine whether the symbolic form of the argument is valid or invalid.p ? q
? ~q
A. Valid B. Invalid
Mathematics
Find the function with the given derivative whose graph passes through the point P.f'(x) = x - 9, P(5, -18)
A. f(x) = x2 - 9x
B. f(x) = x2 - 9x + 2
C. f(x) = 
- 9x + 
D. f(x) = 
- 9x + 
Mathematics