Solve x ≥ 0 x ≥ 0 or x ≥ − 5 x ≥ - 5 and write the solution in interval notation.

Find the value of the cosine for angle a

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?

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost