Please help that will be much appreciated

Step-by-step explanation:

The given expression is

Here, a=4, b=12, c=9.

Step 1: Multiply

Step 2: Find the factors of ac that add to b. and So, two factors of ac are 6 and 6.

Step 3:

Step 4:

Step 5:

Step 6:

Therefore, the required factor form is . It can also written as .

113.1

step-by-step explanation:

v=4

3πr3=4

3·π·33≈113.09734