2x + 3y greater than or equal to 10

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

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?

What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm