Abox contains 13 orange blocks, 19 yellow blocks, and 8 purple blocks. paul randomly chose a block, then he randomly chose another block without replacing the first block. what is the probability that he chose 2 orange blocks? write your answer as a decimal.

Write 17/20 as a decimal and as a percent.

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.