Write the ratio in simplest form 50 10

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

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

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?