I think the first numerator cant be Z so I solved the question assuming it is 2;
Answer:
(x,y,z)=(1,5,7)
Hope this helps.
I did this test and failed. But when I reviewed it showed me the right answers... so here is the answer: C. There is no solution.
The Addition Property of Equality justifies Emily's first step. She added 9 to both sides, canceling out the minus 9 while keeping the equation equal.
Remark
The number of faces reaching out in the 3rd dimension of the pyramid = the number of edges on the base.
Givens
Number of edges (or sides on the base)= e
Number of faces = f
Formula
F = e + 1 Don't forget that the base is also a face.
The small box is 384inches squared for the volume and the larger box is 2,700 inches squared so if you place the smaller box inside the larger box the room left inside the larger box would be 2,316 inches squared
