Solve by factoring:
A) –3, 4
B) –2, –3
C) 2, –7
D) –3, 3
E) 4, –3
D) –3, 3
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Solve.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by 
and the total cost function is given by 
where x represents the number of boxes of computer chips produced. The total profit function, P(x), is such that 
Find P(x).
A. P(x) = -0.3x2 + 54x - 15 B. P(x) = 0.3x2 + 49x - 45 C. P(x) = 0.3x2 + 54x - 30 D. P(x) = -0.3x2 + 49x + 15
Plot the ordered pair.(0, -2)
A. 
B. 
C. 
D. 
Solve the problem.Use each of the numbers 17, 18, 19, 20, and 21 once and only once to fill in the circles so that the sum of the numbers in the three horizontal circles equals the sum of the numbers in the three vertical circles. 
Which numbers can be placed in the middle of the horizontal row?
A. 17, 18, and 19 B. 18, 19, and 20 C. 17, 19, and 21 D. 19, 20, and 21
Evaluate the expression.rcot 270° + 8 cos 180° + 3 sec2 360°
A. 4 B. -8 C. 11 D. -5