Mrs. mcintyre needs to buy pencils and erasers for her math class. the store is selling a box of pencils for $2 and a box of erasers for $1. she needs to buy four times as many pencils as erasers. if she can only spend $18, how many boxes of each will she buy?

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