Answer:
I need a graph paper and to record a video to show you this, but it's

Answer:
i would think u should add them together and that would be 21 but maybe you subtract the two years ago and get 19
Step-by-step explanation:
I am not to sure but I think it would be 30+n or a variable
Answer:
(4,0) and (2,0)
Step-by-step explanation:
For an x-intercept, y=0, so now we have:
(x-4)(x-2)=0
Anything multiplied by 0 is 0, so (x-4)=0 and/or (x-2)=0
(x-4)=0
x=4
(x-2)=0
x=2
The x-intercept co-ordinates are: (4,0), (2,0)
Acute.........................