an online clothing company sells custom sweatshirts. the company charges $4.99 for shipping plus $5.00 for each sweatshirt. write a linear function rule that models the total cost y (in dollars) for any number of sweatshirts x. ​

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83