Is dividing by a number the same as multiplying by the opposite of the number? explain

Nneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?