Cathy and tina drove to the beach at an average speed of 40 miles per hour. they returned by the same route at an average speed of 25 miles an hour. the total driving time was 13 hours. how far away was the beach?

Which of the following are accepted without proof in a logical system? check all that apply.

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: