How do you write 18/40 in a decimal

the scores on a psychology exam were normally distributed with a mean of 56 and a standard deviation of 9. A failing grade on the exam was anything 2 or more standard deviations below the mean. What was the cutoff for a failing score?

If you work and 8 hour shift on each weekend day and take two weeks off during the year, how many hours will you work in a year? answer choices are 800, 880, 900, 960

Are 4/8 and1/2 equivalent fractions

What is the largest whole number that will round up or down to 500 if we're rounding to the nearest hundred

How far apart is - 15 and positive 20

Rosa makes a small flower garden outside the clubhouse the area of the garden is 851 m² if the length of the garden is 23 m what is the width of the garden

The position of an object moving vertically along a line is given by the function s (t) = - 16t^2 + 128t. Find the average velocity of the object over the following intervals.

A study is conducted to investigate whether customer satisfaction is greater among computer companies that offer tech support versus those that do not offer tech support.

How to find the x-intercept of a linear equation of y=6x-9

How will adding the value 50 affect the mean and median of the data set 8, 10, 12, 18, 22? A. The mean will increase more than the median. B. The median will increase more than the mean. C. The mean and median will increase by the same amount. D.