PLEASE HELP ASAP Create a system of linear equations in simplified Slope-Intercept Form that
have a slope of 3 and a slope of 1/3, and that have a solution at (3,5).
Show all of your steps.

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?