5x^2=25x+70 Need help learning factoring please put work so I can understand

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

How do i multiply two digit numbers

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal