Can someone please help me with this problem?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Which two undefined geometric terms always describe figures with no beginning or end?

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.