Discount: buy two shirts get 50 percent off third shirt. ky wants to buy three shirts, which were originally priced at $49.96 each. how much will the three shirts cost before tax?

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x, and the distance in miles, y, that he travels.

Which math statement does not contain a math variable ?