Suppose you write a book. the printer charges $4 per book to print it, and you spend $5500 on advertising. you sell the book for $15 a copy. how many copies must you sell to break even?

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

Which of the following is the correct ratio for converting kilograms to grams