Amazon wants to know the smallest amount of cardboard they can use to make a box for shipping a new picture book. The book is 21 cm long, 19 cm wide, and 1 cm high. Find the surface area to find the amount of cardboard needed.

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Bag a contains 3 white marveled and 2 marbles bag b contains 6 white marbles and 3 red marbles a person draws one marbles from each bag find the probability that both marbles are white

The function below is written in vertex form or intercept form. rewrite them in standard form and show your work. y = (x+4)(x+3)