Evaluate x-7; x=23 expression for the given value(s)of the variable(s).

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]