Answer short period
Explanation:era is long and a short period is not
Start by subtracting 5 from each side: 3/4f+5-5=-5-5. 3/4f=-10. Now, to solve for f, we need to multiply each side by 4/3:3/4f(4/3)=-10(4/3). <u>f=-40/3</u>. Whenever you have an equation like this, go one step at a time to try to get the variable by itself.
Finches and jays are birds