7. Researchers believe that a new drug called Bone Builder will help bones heal after children have broken bone. Bone Builder is to be used with traditional casts. To test the impact of Bone
Builder on bone healing, the researchers recruit 18 children with recent bone breaks.
Design an appropriate experiment to determine if Bone Builder will help bones heal. You may
draw or write your plans.
I

Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units