Aclothing store advertises a discount on shirts. buy two shirts, get 50% off the third shirt. ky wants to buy three shirts, which were originally priced $42 each. the store will discount the price of the third shirt and then apply a 7% tax to the total cost of all three shirts. including the tax, what will be the mean cost of each shirt?

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.

it’s the first one your welcome

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.

4932,9180,7625 are divisible by 9