Jane has a gift card with a balance of $100 . she buys several t-shirts that cost $15 each . after the purchases ,her gift card balance is $10 . write an equation to find out how many t-shirts jane bought . (equations and inequalities)

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .