What is the side length of a square with an area of 225 cm2 ? use an appropriate technique to solve .

a) 112.5 cm
b) 15 cm
c) 56.25 cm
d) 45 cm

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

Write the expression 7x^3-28xy^2 as the product of 3 factors