find the length, width, area, and perimeter of a rectangle where the length is 5 units more than the width and the perimeter is 9 times the width

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree

When rolling 26 sided number cube what are the chances some of the role will be seven