Answer:
mm + nn = -12
mm - nn = 5
Step-by-step explanation:
two equations can be derived from the question
20 cubic miles = 5.0872E+15 cubic inches
it's a big number. hope this helps!
mean:12
they need to be in ratios format
8yz+xy
like terms and then solve it
The coordinates I chose are (0,-5) and (2,-4)
