Answer:
90t-21t=69t
Step-by-step explanation:
4:00pm to 6:00 am is 14 hours. 14 x 1.5 is in fact 21 which means the temperature dropped 21 degrees in those 14 hours.
Answer:
the new perimeter will be 1/3 time the perimeter of the original rectangle
Step-by-step explanation:
For number 2 it's would be 12.8
Sorry I don't have time for number 3
