Joan has 7$ less than anne. together they have $43. how much does each girl have

Find the measures of the complement and the supplement of each angle, m

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Me asap! what is the slope of this line? enter your answer in the box.