In 4 hours, the temperature steadily fell from 0°F to −12°F. What was the opposite of the average change in temperature per hour? HELP NEEDED NOW PLEASE

With #! i’ve tried to figure it out but i can’t.

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults

Look at attachment. has all info needed. need