Easy question find the missing values, if not whole number then round two decimal places

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

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 .

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be