Plz answer my question i'll give branilest

Step-by-step explanation:

1,-4 is 1 right -4 down

4,-1 is 4 right down 1

-1,4 is -1 left 4 up

(1 , -4) → (right 1 , down 4)

(4 , -1) → ( right 4 , down 1)

(-1 , 4) → ( left 1 , up 4)

∠acb = 8°

step-by-step explanation:

∠xba lies on the circle and is half the measure of the intercepted arc ax

hence

measure of arc ax = 2 × 42° = 84°

∠acb is outside the circle and is

∠acb = (arcab - arcax ), hence

∠acb = 0.5 (100 - 84) = 0.5 × 16° = 8°