A pair of shoes is on sale for 45% off the original price. The original price $38. What's the sale price? Include an algebraic equation.

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?