The temperature at midnight on a cold winter night was -2? c. twelve hours later the temperature increased by 9? c. then after 5 hours it decreased by 8? c. find the temperature at 5 pm?

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.