IF YOUR GOOD AT MATH THEN PLEASE ANSWER THIS ASAP Which equation represents standard form for a linear equation?

1: y − y1 =m(x − x1)
2: Ax +By = C
3: y = mx + b

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

Which one is true about the hexagons ?

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3