Jack buys a pair of shoes for $52 and pays $2.60 sales tax. how much sales tax will his friend pay if his friend purchase a shirt for $28 ?

Multiply. write your answer in simplest form. 3/8 x 5/7

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?

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55