How do i Multiply and divide integers? please answer quick if possible ‍♀️

What is coefficient of the term of degree of degree 5 in the polynomial below

Acircle has a circumference of 28.36 units what is the diameter of the circle

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.