2. which of the following demonstrates the commutative property of addition?

a.4+2 = 2 + 4
b.0(3 + 1) = 0
c.(1 + 2) + 3 = 1 + (2 + 3)
d. a·1=a

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

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.