Mr. sukhla has a monthly salary of rs.22500.if he spends rs.18750 every month. his expenditure in percent, his savings in percent and his total savings in one year.

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Ineed in figuring out this problem.

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap