WHY IS STEPHAN WRONG?? PLEASE EXPLAIN WHY AND THE CORRECT ANSWER. was meant to be done 2 months ago

Derricks dog sitting and darlene's dog sitting are competing for new business. the companies ran the ads shown. which dog sitting service is more economic to use if you need 5 hours of service? explain.

Nine more than four times a number is the same as one less than twice the number. find the number?

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}