Giselle pays $190 in advance on her account at the athletic club. each time she uses the club, $10 is deducted from the account. model the situation with a linear function. a. b = 190 10x b. b = 180 10x c. b = 180 – 10x d. b = 190 – 10x

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

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?