Answer:
10p because when a number is with a letter its always multipucation
like 11x = 11x1
I think it is always true. I am not sure but I hope I'm right
B) f(x) = 3
It’s because all the y values are 3
Answer:
wheres the question? it just says what you said-
Answer:
They used 6 vans and 3 buses
Step-by-step explanation:
x + y= 9
13x + 40y= 198
x= 9 - y
13(9 - y) + 40y= 198
117 - 13y + 40y= 198
27y= 81
y= 3
9-3= 6