Sam has 6 boxes of pencils. Each pack has x pencils in it. After Julie gives Sam 4 more pencils, he has a total of 40 pencils. 40 - (x + 4) = 6

6(x + 4 ) = 40

6x + 4 = 40

6 + 4x = 40

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 f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount