Dion went out to lunch. the bill, including tax, was $30. dion left a tip of $6. what percent of the bill did dion leave as tip?

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

Which equation represents h for right triangle abc

Which net represents the pyramid below? meh