Answer:
c = 0
Step-by-step explanation:
A 3-variable linear system of equations is constructed after replacing known values for x and y:



After making algebraic manipulation, the following solution is found:
and
and 
The value of c is 0.
Answer:
length × width × hight = V
length× width=B
Answer:
there is 20 girls
Step-by-step explanation it is just like dividing there 2 out of 3 girls in a class and there is thirty kids 30/3 is 10 x 2 = 20 theres is your answer
1.898 kilograms... as you just have to divide