31(23)=713
19(23)=437
so =713+713+437=1863m^3
Answer:
7,7
Step-by-step explanation:
A vertex should be connected, so 7 as the x makes the most sense
Trick question. There is not one. Due to the fact that 3 is a factor of 15 and if you factor it you will get five which is a third of 15.
it’s system of substitutions ?
so try
a = 2
b = 5