Do you have any equal/opposite terms or variables?
x+3y=7 and 2x-4y=-6
yes
no

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?

Find the solution(s) to x^2-14+49=0

If np3 /nc2 = 6, find the value of n