Which expression is equivalent to 2 + 2m + m + 6 + m? 2(m + 3)
4(2 + m)
8 + 2m
12m

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Which of the following describes the symmetry of the graph of y = x3?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?