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pleaseeee do the 2 qustionsssss onlyyyyy dont do 1 and i want final ansers

Use the arc length formula to find the length of the line segment $y=2?3x,0?x?4$. The length of the line segment is (Type an exact answer, using radicals as needed.)
Find the volume of the solid generated by revolving the region bounded by $y=4sinx?,y=0$, and $x_{1}=6??$ and $x_{2}=2??$ about the $x$-axis. The volume of the solid generated by revolving the region bounded by $y=4sinx?,y=0$, and $x_{1}=6??$ and $x_{2}=2??$ about the $x$-axis is cubic units. (Round to the nearest hundredth.)

Given that y=2-3x [0,4]To find the arc length of line segmentAlsoy=4sinx,y=0To find the volume of the region