Mark buys a wooden board that is 7 1/2 feet long the cost of the wooden board is 0.50 cents per foot including tax enter the total cost in dollars of the wooden board

What is the relative minimum of the function? enter your answer in the box.

How can (square root of 25) ^2 be rewritten?

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.