HELP ME PLS ILL MARK U BRAINLIEST

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

You draw a card at random from a deck that contains 33 black cards and 77 red cards.