Starasia says “My hair is 40 inches long, give or take 0.2 inches.” What is the percent error of the length of her hair?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed

Angie has saved 3/8 of the amount she needs to buy a bike. clive has saved 7/10 of the amount he needs to buy a skateboard. what is the difference between clive's and angie's fraction of savings?