I need help with #47 to #50 ASAP…. Please help me with it

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?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?