Describe when the formula for simple interest l=prt would be more useful if it were rearranged

Evaluate the following expression 1/3^2

Find the value of x for which the lines are parallel.

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.