Answer:
Well a number is (x) {unknown}
Its 17 more
So x+17=85
Now solve
subtract 17 on both sides
x=68
So the number is 68
17: The two angles are 43, 47.
18: The two angles are 30, 150.
Answer:
B
it goes down by $16,000 in that time frame
Answer: 36 centimeters.
Step-by-step explanation:
Given : Area of a rectangular poster = 504 square centimeters.
The width of the poster is 14 centimeters.
We know that area of rectangle :-

Let l be the length of the poster .
Substitute the above values into this , we get

i.e. 
Divide both sides bby 14 , we get

Hence, the length of the poster = 36 centimeters.