Which explains why the sequence 64, 4, 1/ arithmetic or geometric?
a. the sequence is geometric because it decreases by a factor 1/16
b. the sequence is arithmetic because it decreases by a factor of 1/16
c. the sequence is geometric because it increases by a factor of 4
d. the sequence is arithmetic because it decreases by a factor of 4.

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?

The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?

Suppose the equation of a line is 2x − 4y = − 8. which coordinate pair represents the y-intercept?