Which of the following are the correct properties of slope? Check all that apply.

A.
Lines that go down from left to right should have a negative slope.

B.
The slope of a steep line with a positive slope should be bigger than the slope of a flat line.

C.
Lines that have positive slopes and are equally steep should have the same slope.

D.
The slope of a steep line with a positive slope should be smaller than the slope of a flat line.

E.
Lines that go up from left to right should have a positive slope.