Two trains leave stations 75 miles apart at the same time heading toward one another on parallel tracks. train a is traveling 60 miles per hour, while train b is going 65 miles per hour. how long after departure do the trains pass each other? a60 minutes b126 minutes c12.5 minutes d36 minutes

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83