Answer:
3.5 x 4= 14
Step-by-step explanation:
7/2 x 4
The first is B, but I dont know the answer of the others questions, sorry
Answer: The first/ third one
Step-by-step explanation:
Answer:
C = 50p +900
Step-by-step explanation:
Table: (phones, cost) = (0, 900), (1, 950), (2, 1000).
Equation: C = 900 +50p
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The fixed cost (900) is the "y-intercept" of the equation in slope-intercept form. The cost per phone (50) is the "rate of change" or slope.