Piper earned a grade of 57% on her multiple choice science final that had a total of 200 problems. How many problems on the final exam did Piper answer correctly?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Put the equation in slope intercept form by solving for y