It is 10 3\5 miles from alston to barton and 12 1/2 from barton to chester. the distance from alston to durban, via barton and chester, is 35 miles. how far is it from chester to durban.

There is diarrhea on the floor. what do i do? my mum gonna see that i diarrhea on the floor! * don't report, i'm serious! *

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'