Answer:
x=15
Step-by-step explanation:
we know that 8x+4x= 180 so then we add 8x to 4x and we get 12x then we divide 180 by twelve and 12x by twelve to get that x=15
0 m30 kg15 s-30 K-15
that should be the answer
the approximate base length of the pyramid is 20.0cm
Irrational because it is a decimal that doesn´t repeat or terminate
