The equation 5n2+20n+20 has factors of,?

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

From a group of 10 men and 8 women, 5 people are to be selected for a committee so that at least 4 men are on the committee. howmany ways can it be done?