Please help! Correct answers only please! I need to finish this assignment before Friday. Given a student number system for a county requires that the student number be 6 characters.

The first 4 characters are any single digit number but no character can repeat and the last two characters must be a letter and letters cannot be the same. How many unique student numbers are possible?

A. 6,500,000

B. 3,276,000

C. 3,407,040

D. 6,760,000

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.