Help me asap, its due today to count as my attendance!! Please complete the perfect square trinomial.
1. x2−8x+?

2. x2+20x+?

3. x2−16x+?

4. x2+9x+?

5. x2−12x+?

What is the value of x? enter your answer in the box. photo attached.

Carmen begins her next painting on a rectangular canvas that is 82.7 cm long and has a area of 8,137.68 cm2. will the painting fit in a frame with an opening that is 82.7 cm long and 95 cm wide? explain

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?