What is the surface area of a sphere with a radius of 9 units? OA. 576 units2
OB. 648n units
OC. 288T units
OD. 324 units
m

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?

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply

Julie multiplies 6.27 by 7 and claims the product is 438.9 .explain without multiplying how you know juliesanswer is not correct.find the correct answer