Diane is participating in a 4-day cross-country biking challenge. She biked for 57, 67, and 45 miles on the first three days. How many miles does she need to bike on the last day so that her average (mean) is 59 miles per day?

Write the sentence as an equation. b increased by 281 is d

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? ( )

Josephine has a great garden with and area of 2x2 + x - 6 square feet