The original price of a CD is $15. The sale price is 20% off the original price. What is the sale price?

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

Write the expression as a single natural logarithm. 2 in a - 4 in y

Need plz been trying to do it for a long time and still haven’t succeeded