Mexico could be a nation with no memory and in this way unused all the time. Conventions are strengths of nature, and history is simply a story for excitement, for one cannot learn from it The same histories of debasement, the same stories of achievement, the story of the ones who accomplish enormity somewhere else proliferates.
For this case we must simplify the following expression:

We apply distributive property to the terms within parentheses:

We add similar terms:

Thus, the simplified expression is: 
Answer:

15 ~ 3 - (14~2) just a note, this ~ means the division sign
Answer:
So a ratio of 8:3 means for every 8 cars that is 3 trucks so we have the number of trucks which is 21 so what i did to find the answer was see how many times 3 went into 21 which is 7 times then you would take the 7 and times it by 8 and get 56 so there are 56 cars.
Step-by-step explanation:
47.90 is your answer to the nearest tenths