Find the indicated sum for the geometric series:

∑4k=13k−1

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

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