Increase 50$ by 15%

Can you say how to do it and answer?

Answer this question only if you know the answer! 30 points and

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

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?