Multiply 12 by the sum of 8 and t - write an expression for the words

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

How would you describe the difference between the graphs of f(x) = 2x2 and g(x) = -2x2?