Luis wants to buy a skateboard that usually sells for 79.99 all merchandise is discounted by 12% what is the total cost of the skateboard if luis has to pay a state sales tax of 6.75%

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

Need on this geometry question. explain how you did it.

Draw a scaled copy of the circle using a scale factor of 2