Square root of 8464 eliminating possibilities

What is the rotational symmetry of a wheel

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?