Marcus reads for 30 minutes each night. He wants to determine the total number of minutes he will read over the course of a month. He wrote the equation t=30 d to represent the total amount of the time that he has spent reading, where t represents the total number of minutes read and d represents the number of days that he read during the month. Determine which variable is independent and which is dependent. Then create a table to show how many minutes he read in the first seven days,

The time is independent of the months we multiply these minutes as grouping with subject impression or importance. This way within the frequency you can see 263340 represents what score you are looking for importance ie) 20/20 for your book choice. This is 8 days which fits better for a monthly review 8,8,8 and 6. Which would easily be readable in the minute totals.

240= 8 nights  180 minutes = 6 nights. Having a frequency helps determine patterns for  book interest and study.

Step-by-step explanation:

         Subjects (imp)                  Minutes (M P/D)             F(Frequency)

score 1-3                                     30                                   60

         4-6                                     60                                  300

         7-9                                     60                                  420

        10-12                                   90                                  990

Total  26                  +                240   ...266 x990  = 263340                                                                                          

no not all of them.

step-by-step explanation:

some of them have a square base.

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step-by-step explanation: