How many more sample of adults needed to be taken to ensure the margin of error within 2% at 99% confidence interval.

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale

Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?