You are in charge of your best friends birthday party. you decid to order food from jersey mikes because you have a coupon for $10 off your order. you order 3 large sandwiches, potato salad for $15 and macaroni salad for $12. you spend a total of $113. how much was each of the sandwiches? a) define a variable. b) create an equation to represent the situation. c) solve for your variable

Pls , the question is in the picture!

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?