An airplane in flight needed to make an emergency landing so it descended at an angle of depression of 15 degrees for 50000 feet until it landed. How many feet is the vertical drop from when the plane initially began it's descent to when it reached the ground? Round to the nearest whole number. (Hint: draw a picture)

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Which of the following expressions cannot be simplified to x – 2?