The proportion of adults who own a cell phone in a certain Canadian city is believed to be 70%. Forty adults are to be selected at random from the city. Let X be the number in the sample who own a cell phone?

∠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°

you have 6 cupcakes

ans789

step-by-step explanation:

2/3

step-by-step explanation: