I need help can you help with a-d?

What is the slope of a line that is perpendicular to y = 3x + 1

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

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.