Answer:
a^2-1
Step-by-step explanation:
(a+1)(a-1)
=a^2-1
Answer:
lol you deleted my answer loser
Step-by-step explanation:
9801
99 is the greatest 2 digit number so if you do 99x99 you will get 9801
Hi There
To find the distance, you have to make them proportional to each other.
1 cent. / 30 kilo. = 7.5 cent. / x
Then you cross multiply.
30 x 7.5 = x
225 = x
The distance between the two cities is 225 kilometers.
Hope that helps:)
Read more on Brainly.com - brainly.com/question/11599824#readmore
The answer should be 11/84