HELP ASAP PLEASE!!

Evaluate this piece wise function at x=-2 and x=0

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano