Complete the following expressions by filling in the blank to make it perfect square trinomial. 1.) x² + 6x +
2.) x² - 4x +
3.) x² + +16
4.) x² -+ 25
5.) ___x²+ 14x + 1

please help me

$15 each

step-by-step explanation:

$45/3 children= $15 each

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°

step-by-step explanation: