An indication that a group of numbers is part of a set
what is it?

How do i solve using pythagorean theorem?

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

Find two numbers if their sum is 91 and the ratio is 6: 7?