What is the 5th term in the geometric sequence described by this explicit formula?
an = 30 • (-2)(n-1)

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

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.

Ineed with area of a circle a circular plate has a diameter of 6 inches. what is the exact area of the plate? a.3_ square inches b.6_ square inches c.36_ square inches d.9_ square inches