What if the snake was 15 inches it makes a circle 5 times how many inches is each circle

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

Solve the system of equations. y= 2x y= x^2 - 15

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?