What are the sides of PQR?

1foot = 12 inches; 1 yard = 3 feet

Which value is not a solution of 8x^3 – 1 = 0

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.