Do mutations in body cells contribute to genetic variation.

Astudent randomly draws a card from a standard deck and checks to see if it's his favorite suite he then returns the cards to the deck

The length of each side of a square is 1 centimeter more than the width of the rectangle. the length of the rectangle is 1 centimeter less than twice it’s width. the perimeters of the two figures are equal. determine the measures of the side lengths of the rectangle. show all work i have a test tomorrow

How to write the number 20.484.163 in expanded form