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When finding the mean you add up the numbers that are needed to find the mean and divide them by the amount of numbers you added. For example question 5 you will add 58+58+62+55+49+48 which will equal 330 and then divide it by 6 because there are 6 numbers which is 55.
Answer: A. Zero
Step-by-step explanation: If the quadratic equation is incomplete, b will always equal 0.
