A veterinarian asked each of her 18 patrons if they have a dog. She also asked each patron if they have a cat. The Venn diagram below shows the data she collected.
Complete the following two-way frequency table.

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25