Which type of proof uses boxes and arrows to show the logical connections between statements?

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?

Y= x2 − 2x − 19 y + 4x = 5 the pair of points representing the solution set of this system of equations is (-6, 29) and

Marion bought 14 packages of plastic frog and lizard fishing lures. she bought frog lures in packages of 4 and lizard lures in packages of 6 for a total of 72 lures. how many of each lure did marion buy?