The acceleration of a vehicle, in mph per second, is given by a(t) = –6. If the velocity of the vehicle is 60 mph at t = 2 seconds, the velocity at t = 4 seconds is

1. are the triangles similar and if so why? what is the value of x? show your work.

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

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?