Help please math major grade!

The price of a particular stock is represented by the linear equation , where x represents the number of weeks the stock has been owned and y represents the price of the stock, in dollars. if this relationship continues, what is the price of the stock after it has been owned for 12 weeks? $92.55 $94.37 $100.52 $114.39

For what values of x is x2 + 2x = 24 true?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'