A study shows that the mean rainfall in a certain town in the United States is 26.9 inches per year with a standard deviation of 2.3 inches per year.
What is the probability that on a certain year, the amount of rainfall falls below 20 inches?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

What is negative 3/9 times negative 2/8 ?

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4