I need to find what x is but x-3 is the lowest number x is the middle number and 2x-6 is the biggest number (its a trapezoid shape)​ pic included

What is the product of the radical expression. (7-2square root) (8+2 square root)

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Translate this phrase into an algebraic expression. 21 more than twice goran's savings use the variable g to represent goran's savings. need to know fast.