When a cold drink is taken from a refrigerator, its temperature is 5 degrees c. after 25 minutes in a 20 degrees c room its temperature has increased to 10 degrees c. (a) what is the temperature of the drink after 50 minutes? (b) when will its temperature by 15 degrees c?

What is the surface area of the sphere?

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.

Arandom sample of size n 64 is taken from a population with population proportion p 0.38 describe the sampling distribution of p. draw a graph of this probability distribution with its a. mean and standard deviation. b. what is the probability that the sample proportion is greater than 0.5? what is the probability that the sample proportion is less than 0.3? d. what is the probability that the sample proportion is between 0.35 and 0.45?