Help me please ong! Like I have no clue what this is-n

Average salary for a medical assistant is $31,220 which is a 20% income tax bracket how much money would they pay in income tax?

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?