What is -23/6 - -7/3?

Can (3,5 and square root 34) be sides on a right triangle?

Afurniture store has 1,500 chairs in storage. a manager uses three delivery receipts to simulate samples to check 100 chairs and note the number of brown chairs. suppose the actual number of brown chairs is 1,080. about how many brown chairs are

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?