Radiatation treatment is aplied to a field size of 8 centameters at a depth 2.5 centimeters below the skin surface. if the treatment head is positioned 80 centimeters from the skin, find the targeted field size to the nearest millimeter

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

What is the lcm of 16 and 40 ? 24 and 40 ?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?