You pay $10 and roll a die. if you get a 6, you win $50. if not, you get to roll again. if you get a 6 this time, you get your $10 back. what is the standard deviation for your prospective winnings. round your answer to the penny.

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Juliana says that she can use the patterns of equivalent ratios in the multiplication table below to write an infinite number of ratios that are equivalent to 6: 10. which statement explains whether juliana is correct? she is correct because she can multiply 6 and 10 by any number to form an equivalent ratio. she is correct because 6: 10 can be written as 1: 2 and there are an infinite number of ratios for 1: 2. she is not correct because the multiplication table does not include multiples of 10. she is not correct because 6: 10 is equivalent to 3: 5 and there are only 9 ratios in the multiplication table that are equivalent to 3: 5.