Which tests used by colleges to determine course placement?

1. which of the following factors would cause demand-pull inflation? a. serious crop failure b. significant decrease in the supply of oil c. increase in the money supply d. increase in the cost of raw materials for firms e. reduction in imports allowed into the country

Alife insurance salesman sells on the average 3 life insurance policies per week. use poisson's law to calculate the probability that in a given week he will sell 2 or more policies but less than 5 policies? i just require an answer.

Along with removing drugs from the body, the kidneys also a. balance ph levels b. release hormones that regulate blood pressure c. release hormones into the stomach d. a and b