HELP PLEASE CROWN THAN TO PEOPLE Should ANSWER

7x+8y=-18, 4x-9y=-3 solve the system of equations

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.