Please help me I only have 2 days of school left and I need to get this done! I don't understand it. I need problems 10,12,14,16,18, and 20.

Please help me I only have 2 days of school left and I need to get this done I dont understand it I need problems 1012141618 and 20 class=
Please help me I only have 2 days of school left and I need to get this done I dont understand it I need problems 1012141618 and 20 class=
Please help me I only have 2 days of school left and I need to get this done I dont understand it I need problems 1012141618 and 20 class=