Ruby is visiting a wildlfe center to gather information for he paper . the center has circular pond with a diameter if 20. what is the approximate area of the pond ?

area = PI x r^2

 r = 20/2 = 10

3.14 x 10^2 = 314 square units

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300