Professor juwana spent 3/5 of an hour correcting 6 papers. at this rate, how many hours will it take him to correct 30 papers?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?

Four equations are shown below. equation 1: y=2*equation 2: y=2x-5equation 3: y=x2 + 6equation 4: tdentify one linear equation and one nonlinear equation from the list. why each equation you identified is linear or nonlinear. nd one nonlinear equation from the list. state a reasonlinear equation