your answer should be an expanded polynomial in standard form.

(−x3−x)+(6x2+6x−7)=

42.4

step-by-step explanation:

convert to decimal

-1

step-by-step explanation:

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

where:

r: it's the radio

h: it's the height

we have as data that:

substituting:

so, the cylinder volume is

option d