Answer:
He's correct.
Step-by-step explanation:
As long as there is no change in sign of the variables.
Answer:
7x + 20
I hope I helped :D
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
Answer:
25%
Step-by-step explanation:
1 white car + 3 black cars
4 cars in total
1 out of 4
1/4 = 0.25
25%