In 20 years dad will be 2 times older than his son, and 8 years ago dad was 6 times older than his son. what is dad's age and son's age ?
solve with equations, and if is possible, without two different variables, just x

it 2

step-by-step explanation:

8^1/3=2

d.) yes, because the volume of the cone is greater than the volume of the sphere

step-by-step explanation:

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a