|-12-(-8)|= simply the expression

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)

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show