Cookies are sold singly or in packages of 3 or 9. with this packaging, how many ways can you buy 18 cookies?

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?

Given the median qr and trapezoid mnpo what is the value of x?