algebra1
posted by QP .
find each sum,difference,or product. If the sum or difference does not exist, write impossible.
if A=[5 2 7 B=[2 9 3 C=[4 2 D=[37 22
1 0 13 12 4 7 9 7 5 12
3 8 6] 6 2 5] 15 33] 11 0]
1.A+B 2.B+C 3.C+D 4.DB 5.AB 6.DC
7.2D 8.4B 9.3A 10.3C

algebra1 
PsyDAG
Your notation is unclear. Please clarify.
For example, does A = 527, 5(27) or 5^27?
Online, "^" is used to indicate an exponent, e.g., x^2 = x squared.
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