Write an equation and solve

Nine less than five times a number equals 71. Find the number

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

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

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?