First, determine the value of x. Then find the measure of ∠BCA. Will brainlist first correct answer.

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?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?