3x into 4x minus 5 plus 3 if x is equal to 1/2

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.