Find the missing number in the given expression

- 8/15 = 8/?

select one:
a. 8
b. - 8
c. 15
d. - 15

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

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.

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8