A cylinder has a radius of 4x + 3 and a height of 3x + 3. Which polynomial in standard form best describes the total volume of the cylinder? Use the formula v=pi*r^2*h for the volume of a cylinder.

d.192

step-by-step explanation:

12*16=192

4th option is correct xy=-10

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we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4