A student scored 84 and 91 on her first two quizzes. write and solve a compound inequality to find the possible values for a third quiz score that would give her an average between 85 and 90, inclusive. pls help make sure to add explanation

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

What is x and y intercepts for y=x+7

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.