The perimeter of a rectangular house is 122 ft. the width is 5 ft less than the length. find the length and the width.

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.