Select the postulate that is illustrated for the real numbers.
6 · 12 = 12 · 6
the commutative postulate for multiplication
multiplication by one
the addition inverse postulate
commutative postulate for addition
the distributive postulate
the addition of zero postulate
the multiplication inverse

△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal,mutualistic,or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2