How much fabric is required to cover x buttons in the shape of a circle who radius is 17x?

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

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

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol