What is wrong with the following experiment? I am testing the type of shampoo (Pantene, Head & Shoulders, and a generic brand). I have the person with Pantene wash their hair twice a day, the person with Head & Shoulders wash three times a day and the person
with the generic brand wash once a day. I have them use the same amount of shampoo each time the wash, the
same amount of water.

it means

miss jennifer is buying pencils in packs of 12, notebooks in packs of 16, and red pens in boxes of 20. she needs to have the same number of pencils, notebooks, and red pens. how many packs of each type should she buy?

answer mine : )

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

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explanation:

kj