Plify the following
4x2 - 6x - x2 + 13x + 3y - 7​

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?