Saundi is making a quinoa salad. She needs twice the amount of water per cup of quinoa. If Saundi makes 3 cups of quinoa, how much water does she need?
cups

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals