To burn 1 molecule of c7h16 to form co2 and h2o (complete combustion), how many molecules of o2 are required?

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?