What exactly do you need help with with this topic<span />
Answer:
c
Step-by-step explanation:
Volume of a triangular pyramid is v=1/3AH so the answer is 8
Answer:
x=9
Step-by-step explanation:
Using elimination method.
Add equation 1 to equation 2
x + y = 11
x - y = 7
---------------
2x + 0 = 18
Divide both sides by 2
2x = 18
---- ----
2 2
x = 9
