Which set of expressions are not equivalent? 4x(x) + 3(2x) and 4x2 + 6x 5(3x) - 4(3x) and 3x 4(3a) - 2(4a) and 4a2 3(3a) + a(3a) and 3a2 + 9a

Aley is at the store buying some supplies for an art project. she decides to buy some colored pencils for $3.95 and a drawing tablet. the total cost of the supplies before sales tax is $6.94. what is the cost of the drawing tablet? $10.89 $2.99 $1.76 $3.01