Answer:
140
Step-by-step explanation:
volume of a rectangular prism,
LxWxH
therefor, 7x5x4 =
140.
hope this helps
24
factorial(4) = 4*3*2*1
factorial(4) = 24
YZ= 2.8
3n+5=8n-9
-3n -3n
5=5n-9
+9. +9
14=5n
14÷5
2.8=n