The cost of a gallon of gas increases from $1.46 to $3.53 over a period of 10 years. Use the formula r= (F/P) ^1/n -1 to find the annual inflation rate r to the nearest tenth of a percent, where n is the number of years during which the value increases from P to F

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?