Ray CE is the angle bisector of AngleACD. Which statement about the figure must be true? mAngleECD = One-halfmAngleECB

mAngleACE = one-halfmAngleACD

AngleACE Is-congruent-to AngleDCB

AngleECDIs-congruent-to AngleACD

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Which set of side lengths form a right side? a) 3ft,6ft,5ft b)50 in,48in,14in c)53m,48m,24m d)8cm,17cm,14cm