Ill has worked out a system of equations to represent the expenses and revenue for running her lemonade stand. C = 21 + 0.10n

C = 0.85n

How many glasses of lemonade, n, must Jill sell to break even?

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

What is the graph of the function fx x+2/x-3?