Although six of Sigmund's answers were incorrect, 92% of his answers
were correct. How many questions
did Sigmund answer in all?

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Iam at home. /: i am playing video games. translate the following statement into symbolic form.