2, I cannot fail this if I do I have a F in math!! Please make sure u know it’s correct I can’t do it alone.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?