Answer:
Kato must write 12 pages of the report
Step-by-step explanation:
We have given that total number of pages in report = 20
It is given that Kato must write 60 % of the that report tomorrow
We have to find the number of pages which kato write tomorrow
So number of pages which kato write tomorrow 
So kato must write write 12 pages of the report tomorrow because 60 % of 20 is 12
3x2+8x-10 // the answer is 8x
Answer:
Step-by-step explanation:
Ac²= AB²+ BC²
Ac²= 4²+15²= 16+225
Square both side
Ac = √241= 15.52cm
< right angle is the right answer