Answer ASAP please For 50 Points!
An equation and the first step in its solution are shown.
Equation: x^2 +8x+5
Step 1: x^2 +8x+h=−5+h
What value of h is used to solve the equation by the method of completing the square? Show your work! Will be in fraction-like form

3x = 729 solve for x plz . it's urgent. will mark

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte

Based on the spreadsheet below, which of the following is a true statement?