a manufacturer uses a mold to make a part in the shape of a triangular prism the dimensions of this part are shown below.

which estimate is closest to the volume in cubic millimeters of the part

306
768
1,008
2,016

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

What is the missing step in this proof ?