For two weeks the school librarian recorded the number of library books returned each morning. the data are shown in the dot plot. the librarian found the mean number of books returned each morning. dot plot 0 has 2 dots 1 has 0 dots 2 has 0 dots 3 has 1 dot 4 has 0 dots 5 has 1 dots 6 has 2 dots 7 has 0 dots 8 has 2 dots 9 has 1 dot 10 has 1 dot 11 has 0 dots librarians work 8 + 6 + 10 + 5 + 9 + 8 + 3 + 6 55 = = 6.9 8 8 is this the correct mean of this data set? if not, explain and correct this answer

Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Find two numbers if their sum is 91 and the ratio is 6: 7?