Yvaries directly with x, and y = 7 when x = 2. what is the value of x when y = 21?

anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44

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?

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3