The net income reported on the income statement for the current year was $263,397. Depreciation recorded on fixed assets and amortization of patents for the year were $40,989 and $9,379, respectively. Balances of current asset and current liability accounts at the end and at the beginning of the year are as follows:

What is the sum of these mixed numbers 2 1/8 + 4 3/8

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Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?