Answer:
C
Step-by-step explanation:
Answer:
(4x + y)(3x-5x)
Step-by-step explanation:
Answer:
3 machine
Step-by-step explanation:
It is given that 6 machine each working at the same rate can complete the work in 12 days
We the has to complete in 8 days
Let we need x extra machine to complete the work in 8 days
So total number of machines =x+6
Now according to man work day equation 



x=3 machine
Answer:
1. -195
2.-771
3. 2
1. 9
2.-3
3. -10
4. 205
Step-by-step explanation: