Which of the following is a factor of the polynomial below

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

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?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c