Please only do B. Thank you

Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

What makes a trapezoid an isosceles trapezoid?