I fr need help i have so much hw past due please help. no links or random answers i will report. only answer if you actually know please. ill give you brainliest if you answer more than one of my questions :)

the question (find area of trapizoid. if the answer is not an integer leave it in simplest radical form) ​

Anut store normally sells cashews for? $4.00 per pound and peanuts for? $1.50 per pound. but at the end of the month the peanuts had not sold? well, so, in order to sell 40 pounds of? peanuts, the manager decided to mix the 40 pounds of peanuts with some cashews and sell the mixture for $2.00 per pound. how many pounds of cashews should be mixed with the peanuts to ensure no change in the? profit?