27. Is Of a congruence transformation of AB? If not, explain why. I did all of them I just need 27
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If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

How do you determine if an ordered pair is a solution to a given equation?

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice