Add 3 5/12 + 2 5/9 . Simplify the answer and write as a mixed number.

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12