Which operations involving complex numbers have solutions represented by point a on the graph?

Option 3 and 4

Step-by-step explanation:

We have to find the solutions represented by point A on graph

The point A is represented by (-6,7i)

Lets check all options one by one

1.

This option is not correct

2.

This option is also not correct

3.

This solution is same as point A so this option is correct

4.

Solution same as point A so this is correct option.

5.

Not correct

The correct options are option no 3 and 4 ..

80π/3 or about 83.775

step-by-step explanation:

since a cone is 1/3 of a cylinder, we need to find the base's area. since area = πr^2, we get 16π. then, multiplying this by 5, we get 80π. dividing by 3, since the cone's volume is 1/3 of that of a cylinder's, we get 80π/3.

hope this !