A rectangle has a perimeter of 42 ft its length, L, is 3 feet more than twice its width, W. (c) Solve the system of equations that you just created by substitution to find the values of the length and width.​

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another 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 would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?