He spends $26 for supplies to make 6 dozen donuts and makes a profit of $0.50 per donut

Find the solution of system of equation y= x-4 y=4x+2

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?

What is always true about a positive integer raised to a negative odd power?