When a natural number is multiplied by itself. The result is called a perfect square. Since 1x1 = 1, 2x2=4, 3x3=9 and so on, then the numbers 1,4,9 etc are perfect squares. Using this knowledge work out which year in the 18th century (the years 1701 through to 1800) was a perfect square?

An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

(05.02)a farmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. a parallelogram with a height of 6 yards and side length 9 yards. the height forms a triangle with the slanted side of the rhombus with a base of 2.5 yards. rhombus is split into a soy half and a corn half. each bag of soil covers 40 square yards. how many bags should the farmer purchase?