What is the Measurement of angle MBT?

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 value of cos 30° is the same as which of the following?

What is the perimeter of a rectangle if the length is 5 and the width is x?