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Step-by-step explanation:
Answer:
a = 95
Step-by-step explanation:
a+ 35+ 50 = 180
Combine like terms
a+ 85 = 180
Subtract 85 from each side
a+85-85 = 180-85
a = 95
Answer:
The third graph.
Step-by-step explanation:
The equations for the lines will be
P(x) = 2x-4
l(x) = -2x-4
When x = 0 both of these functions equal -4. The only graph where this happens is the third one.
You can check this by looking at the slopes and plugging in points.
Answer:
80*3.14
Step-by-step explanation:
let diameter d=80cm
circumference c = d*pi = d*3.14 = 80*3.14