Express this number in standard form.
2.456×10^11

Measures of the angle of r, 31 s (x+4) t (3x+9)

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.

How many square centimeters of wrapping paper will be used to wrap the shoe box?