Use the unit rate of $2.09 per pound to find the cost of 8.5 pounds of grapes. [Type your answer as a number and round to the nearest cent] 8.5 pounds of grapes=$

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