Just multiply 20 x 30 and you get 600 and that is your answer :3<span />
Answer:
153.385
Step-by-step explanation:
After the dot it goes tenths,hundreds, then thousands
Image:
Harrison walked a total of 14 km because the first rectangle has a perimeter of 6 km and the second has a perimeter of 8 km. Harrison’s brother walked a total of 12 km since that was the perimeter of the 5*1. 14-12 is 2 so there is a 2 km difference.
3n^2+7n-6n-14+4n^2+6n= 7n^2+7n-14
Hope that helps and best of wishes!
Well the answer is A) about 25