A baseball team plays in a stadium that holds 56000 spectators. With the ticket price at $12 the average attendance has been 24000. When the price dropped to $9, the average attendance rose to 28000. Assume that attendance is linearly related to ticket price. What ticket price would maximize revenue

Are carpet coast $15 per square metre. the total delivery charge is $21 peter buys n squared metres of carpet what is the expression which represents the total cost in $

I'm confused on this could anyone me and show me what i need to do to solve it.

In one day there are too high tides into low tides and equally spaced intervals the high tide is observed to be 6 feet above the average sea level after six hours passed a low tide occurs at 6 feet below the average sea level in this task you will model this occurrence using a trigonometric function by using x as a measurement of time assume the first high tide occurs at x=0. a. what are the independent and dependent variables? b. determine these key features of the function that models the tide: 1.amplitude 2.period 3.frequency 4.midline 5.vertical shift 6.phase shift c. create a trigonometric function that models the ocean tide for a period of 12 hours. d.what is the height of the tide after 93 hours?