If the shirts $42 and it's on sale for $15 how much is a shirt now

I think its 27

Step-by-step explanation:

If the vurrent cost is 15 then it took 27 dollars off the original amount

your answer   is c

step-by-step explanation:

step-by-step explanation:

this can be solved first with pythagorean theorem, which tells us to square both legs of the triangle and sum it. this will be equal to the square of the hypotenuse.

the hypotenuse is the side "opposite" the 90 degree angle, which is x.

so we can write using pythagorean theorem,

simplifying:

to further simplify this radical, we need to use the property  

thus