The T-shirt stores having a sale the cost for the first T-shirt purchase is $12 because for additional T-shirt purchase at the s
ame time is the least six dollars there is no tax on T-shirts the expression below represents the total cost and how many T-shirts purchase at same time
For this, it is kind of like a triangle and having to find the diagonal. Let's see what the two legs of the triangle would be. Leg one= 7 units Leg two= 8 units 8²+7²= c² 64 + 49=113 √113≈10.6 The line is 10.6 units long.
