Alex is saving money because she would like to purchase the new video gaming system, after 2 weeks of saving she has $47 after 24 weeks of saving she has $430, approximately how many dollars per week did alex save on average between weeks 2 and 24?
a. $15.96 per week
b. $17.41 per week
c. $17.91 per week
d. $19.88 per week

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

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?

With this problem-elena cycled to school. find the distance travelled by elena if her bicycle wheels rotated 840 times and the radius is 0.25 m.