Aye whaddup does any one know the answer to this question and can explain the steps to me?

7friends share 4 pizzas equally how much pizza did each friend get

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.

The variable in a relation who’s value depends on the value of the independent variable is called what?