Which of the following goals is most effective?A: I will purchase a house by age age twenty-five. B:I will purchase a three-bedroom house located near cherry park by my twenty-fifth birthday. In order to reach this goal , I will graduate from college and secure a job as a software developer.

Abari owns 100 shares of stock a and 45 shares of stock b. for the past month, his stocks have been fluctuating inversely. stock a decreased by m cents per share and stock b increased by n cents per share. which equation can be used to find the total change in value of jabari's shares per month?