Traditions clothing store is having a sale. shirts that were regularly priced at $20 are on sale for $17. what is the percentage of decrease in the price of the shirts?

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

Yahir designs bracelets. he uses between 9 and 15 red and yellow beads in the ratio of 2 red bead to 5 yellow beads. drag the beads into the container to meet these requirements

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?