The perimeter of a triangle is 36 inches. the first side of the triangle is 17.35 inches. the second side of the triangle is 6.84 inches. what is the length of the third side of the triangle?

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?

See attachment below and find the equivalent of tan(∠qsr)

Factor the polynomial. b^2 + 4b + 4