Plz Help i need it!
my test is timed HELP!

What is the range? can’t seem to find it out

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

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