"Which method substitution or elimination would be the best to solve each system ? Explain why you chose that method." System A : 2x + 3y=9 at the bottom -3x+3y=-6 System B: x= 8-2y at the bottom y-x=4

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?

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

Can someone me and plz do the problem