LOTS OF POINTS!! WILL GIVE BRAINLIEST ~
answer the question, do not answer if you do not know!!

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)