The original price of a skateboard was $63.99. the owner of the store marked it 15% off. calculate the discount and 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 a similarity statement for the similar triangles. afgh ~ a

Arational number that is equivalent to -20/4?