Which algebraic expression represents this phrase?

the product of 34 and the number of pounds

a. 34 + p
b. 34 - p
c. 34 . p
d. 34/p

What expression is equivalent to 1/2(2+3x-6)

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?

Me. i can't figure out this question. give an explanation too. .