Trevor tutors french for $15 and hour and scoops ice cream for $10 an hour. he is going to work 15 hours this week. how many hours does trevor need to tutor to make at least $180?

hours

!

Trevor needs to tutor for 12 hours to make $180

5.6%

step-by-step explanation:

∠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°