Item 1
Find the surface area of the regular pyramid.

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

What dimensions can créate more than one triangle ?

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?