Solve y=5x-8 and y=6x+3 by elimination

In the diagram below what is the approximate length of the minor arc ab

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?