Question 4 1 pts 4. Tina built a triangular sign with side lengths of 73 inches, 55 inches, and 48 inches. Is the sign a right triangle? Why or why not? O No, because 48 + 55 does not equal 73. Yes, because 48 squared + 55 squared = 73 squared. No, because 73 squared + 55 squared does not equal 48 squared. O No, because 48 squared + 73 squared does not equal 55 squared Next > Not saved Submit C

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

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

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?