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see below

Step-by-step explanation:

There are 5 points around the circle. A circle is 360 degrees

360/5 =72

There are 72 degrees between points

ABC has 2 sections between

2*72 = 144

m <ABC = 144

ABD  has 3 sections between

3*72 = 216

m <ABC = 216

Assuming that you can draw the lines

We know m<ED

It has one section so it is 72

m< AFC = 1/2(mABC +m<ED)

m< AFC = 1/2(144+72)

               =1/2(216)

               =108

a) 108°

b) 72°

c) 108°

Step-by-step explanation:

Arc ABC = (⅖) × 360 = 144°

Angle ABC = (360-144)/2 = 108°

Arc ABD = (⅗) × 360 = 216°

Angle ABD = (360-216)/2 = 72°

Angle AFC = Angle ABC = 108°

y= -4/5x+3

Step-by-step explanation:

It's a negative because the slope is "sliding down" and the y-intercept is 3.