Kareen has 2.56 pieces of led for her lead pencil. It fills up the entire pencil. How many pieces of led would she need for 20 pencils?(No caculators I will know if you use one and this requires a explanation)

Find the value of x for which abcd must be a parallelogram -9-6x x-30

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax