Jessica is trying to save money to set aside for emergencies. She already has $75 and she earns nine dollars per hour at her summer job. How many hours will she need to work to earn at least $500

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?

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i

How many significant figures are there in the number 10.76?