Petra wants to buy a skateboard. the skateboard deck usually costs $37.50, but it is on sale for 20% off. if the sales tax rate is 5.2%, how much will petra pay for the skateboard deck in all?

Space is not completely empty. there are small particles in space. what happens when these particles come together?

When this was published in early 1776, many american colonists became convinced that they should act to form a new kind of nation independent from the rule of britain's "cruel" courts

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth