Explain 123.6-0.08? decimal addition and subtractions. can anyone answer this question?

123.6-0.08=123.52

Step-by-step explanation:

First set up your equation 123.6

                                         -  0.08

Then Solve                    

                                           123.52

step-by-step explanation:

∆abc has the points a(1, 7), b(-2, 2), and c(4, 2) as its vertices. formed with the point d(1, 2) as its third vertex, then ∆abd is triangle.

the answer is 844

step-by-step explanation:

it is 844 because if you add 836.50 + 7.5 you will get 844