A manufacturer of pencils is choosing between two pencil making machines. Machine A produces Sencils which have a mean length of 6 inches and a standard deviation of 0.18 inch while machine B
produces pencils which have a mean length of 6 inches and a standard deviation of 0.08 inch. Which
machine should the manufacturer choose and why?

The sum of two numbers is 58. the first number is 8 less than half the second number. let  c  represent the first number. let  drepresent the second number. which statements about solving for the two numbers are true? check all that apply. the equation    represents the sum of the two numbers. the equation    represents the sentence “the first number is 8 less than half the second number.”the equation    represents the relationship between the two numbers. the equation    represents the sum of the two numbers. the number  d  is 14.the number  c  is 44.the number  c  is 14.the number  d  is 44.

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Which situation is an example of an observational study?