Evaluate the numerical expression: 8.4 - 4.2 + 0.7 + 3.8
a) 6.2 b) 7.5 c) 9.8 d) -1.4

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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.

Write the equations in logarithmic form 9^4=6,561