Write the summation notation for the following arithmetic series (using sigma) “to add all the odd numbers between -7 and 13.” MUST SHOW ALL THE STEPS FOR FINDING THE ARITHMETIC EXPLICIT FORMULA AS WELL AS SOLVING FOR “n”

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Answer 20 points and brainiest ! on the board, your teacher writes an example of how to find the median. one of the numbers is erased, leaving what is shown, 18, 30, 26,12 22. what is the median? a. 10 b. 20 c. 24 d. 28

20 points + brainliest answer + my mom’s chocolate chip cookie ! subtract.