Find the product. (6a b)2 12a2 ab b2 36a2 ab 36b2 36a2 12ab b2 36a2 b2

How do i do this? i don’t understand

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?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?