Answer:
x=45
Step-by-step explanation:
30+15=45
Ok use a calculator and do 11 x 11 x 4 then 7 x 7 x 4 and add the products
So you start by dividing 6 out of the expression and you get 6(4-3)
True, because the standard deviation describes how far, on average, each observation is from the typical value. A larger standard deviation means that observations are more distant from the typical value, and therefore, more dispersed.