Find the sum of 9a+3b-5​

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

What are different types of statistical programs

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.