The school store sells midville high t-shirts for $12 each and midville high gym shorts for $9 a pair. one afternoon they sold a total of 53 t-shirts and pairs of shorts for a total of $570. how many t-shirts did they sell and how many pairs of shorts did they sell?

∠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°

c is the correct answer

step-by-step explanation: