After tossing the same coin 10 times, you are surprised to find that tails has come up 7 times. you therefore conclude that this coin is not fair and that the probability of getting tails with this coin is 0.70.

∠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°

answer: when you burn wood, the carbon reacts with the oxygen in the air to create ash and smoke. that is a permanent change you cannot undo that.

step-by-step explanation:

i would say b) is your answer

sorry if im wrong

step-by-step explanation: