Find all positive and negative integers b such that the trinomial is factorable.x2 + bx + 13; b = ?
A. 14
B. ±12
C. ±14
D. 12
Answer: C
Mathematics
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Graph on a number line.4.25 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A moving firm charges a flat fee of $45 plus $40 per hour. Let y be the cost in dollars of using the moving firm for x hours. Find the slope-intercept form of the equation.
A. y = 45x + 40 B. y = 40x + 45 C. y = 40x - 45 D. y = 45x - 40
Mathematics
Factor the sum or difference of two cubes.x3 - 125
A. (x + 5)(x2 - 5x + 25) B. (x + 125)(x2 - 1) C. (x - 5)(x2 + 5x + 25) D. (x - 5)(x2 + 25)
Mathematics
Find the product.(x + 4)(2x2 + 5x + 9)
A. 2x3 + 8x2 + 20x + 36 B. 2x3 + 13x2 + 29x + 36 C. 10x3 + 25x2 + 45x D. 40x4 + 2x3 + 180x2 + 36
Mathematics