Please help me i need two answers

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

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 ?

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart