If you multiply -2×-2×-2 would it be negative or positive?

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Nine more than four times a number is the same as one less than twice the number. find the number?

Can you me find the missing length. i attached an image.