What is the percent error of an egg that weighs 2 oz using 2.5 oz as original value
?

Evaluate the following expression 1/3^2

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?