In a college football training session the defensive coordinator needs to have 10 players standing in a row among these 10 there are 1 freshman 2 spot mere 4 juniors 3 seniors how many ways it can be arranged if there class level is distinguish

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b

What are the three stages of volcanic activity? a. active, magma, lava c. extinct, eruption, explosive b. eruption, quiet, explosive d. active, dormant, extinct

How are students who take the writing portion of accuplacer graded?