Petra wants to buy a skateboard. The skateboard deck usually cost $37.50, but it is on sale for 20% off. PART A: If the sales tax rate is 5.2%, how much will petra pay for the skateboard deck in all?
PART B: If the selling prive of $37.50 repersents a 20% markup, will the store still make a profit afte the 20% markdown? Explain.

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

92ft long and 48 wide resurface 2.75$

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat