One day the temperature was 72°F. That night, the temperature was 44°F. What number represents the change in temperature?

What graph correctly matches the equation y equals two negative x

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer