PLEASE ANSWER WILL MARK BRAINLIEST A length of copper piping is in the shape of a triangular prism.
The triangle on its end is 9mm tall, 4mm wide. The piece of pipe is 18mm long. What is the surface area of the pipe?

please draw out the prism and show all working out​
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What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Abcd is a square. what is the measure of angle bac

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?