Simplify the following rational expression. 3x^2-30x + 75/x^2– 9x + 20
Which values of x make the expression undefined?
Choose all answers that apply:
A. x = -3
B. x = 5
C. x = 4
D. x= -10
E. None above

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(–3, 1),  s'(–3, 5)b.r'(–1, 3),  s'(–5, 3)c.r'(1, 3),  s'(5, 3)d.r'(5, 3),  s'(1, 3)

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)