Explain how to make a bar diagram to find 30% of 450, then find the answer. make sure to include the number of segments and the values that would go in each.

Step-by-step explanation:

In the bar diagram,

We have a 10 box grid in which every grid is of 10 %,

⇒ The whole grid shows 100 %,

Here, the given number is 450,

Thus, we can write,

⇒ 30 % of 450 is 135.

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

(w – 2.5)(w + 2.5)

(–4v – 9)(–4v + 9)

step-by-step explanation: