A measurement using a ruler marked in centimeters is reported as 6 cm. What is the range of values for the actual measurement? Enter the correct values in ascending order in the boxes.

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

Solve the formula ax+ by = c for x.