Add.71 + (-22)
A. -49
B. -93
C. 49
D. 93
Answer: C
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Graph the equation. Include the coordinates of any local extreme points and inflection points.y = 2x3 + 15x2 + 24x
A. local minimum: (3, 6)
no inflection point
B. local minimum: (-8, 512)
local maximum: (0, 0)
inflection point: (-4, 256)
C. no extrema
inflection point: (0, 0)
D. local minimum: (-1, -11)
local maximum: (-4, 16)
inflection point: 
Determine how many components the graph has.
A. 2 B. 3 C. 5 D. 6
Divide.30 ÷ 0.06
A. 5 B. 0.5 C. 500 D. 50
Solve the problem using two linear equations in two variables and Cramer's rule.A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 4% cement should he mix with 4 bags of 17.5% cement to produce a mix containing 7% cement?
A. 14 bags B. 23 bags C. 18 bags D. 16 bags