The 7-line t-shirt company manufactors t-shirts and sells them online. The company has a model where the cost C, in dollars, to make x t-shirts is given by the equation C = 40 3 x + 20 C = 40 3 ⁢ x + 20 and the revenue R, in dollars, made by selling x t-shirts is given by R = 15 x R = 15 ⁢ x . The break even point is where the cost and revenue equations intersect. How many t-shirts must the company sell to break even?

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )

During a wright loss challenge your friend goes from 125 pounds to 100 pounds. what was the percent weight loss