In honor of today (3/26) being National Science Appreciation Day, you are making slime with your younger cousins. Based on past experience, the amount of glue they will spill on the floor follows a uniform distribution ranging from 2 to 12 tablespoons. What is the expected value for the amount of slime that will be spilled on the floor (in tablespoons)? What is the variance for the spilled amount of glue (in tablespoons2)