Alice and Bob each picks an integer number uniformly at random between 1 and n. Assume that all possible combinations of two numbers are equally likely to be picked. What is the probability that Alice's number is bigger than Bob's?

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

What is the answer to the question 5x+2x

You are living in aldine, tx and you are planning a trip to six flags in arlington, tx. you look on a map that has a scale of 0.5 inches to 30 miles. if the map shows the scale distance from aldine to arlington is 4 inches, how far is the actual distance?