Idon't understand this question. the format with which we are supposed to answer is assume then but so so far i have assume a base angle is a right angle but, i can't seem to find a then statement or a reason why the triangle can't have a base angle that is a right angle

Charles is on a 8 1/2 mile bike ride. he stops for a rest after he’s gone 5 2/5 miles. how much farther does he still have to go?

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18