Which value of x from the set {4, 5, 6, 7}, makes this equation true?

4(8 − x) = 8

For the given quadratic equation convert into vertex form, find the vertex and find the value for x=6 y=-2x^2+2x+2

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.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base