postage costs 39 cents for the first ounce and 24 cents for each additional ounce. what is the cost to mail a 6-ounce envelope

Measure of angles 31 (x+4) (3x+9) me

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.