Kyle, you always want to multiply everything in the parentheses by the number outside of it. For example, in 4(x-3), you would multiply all of (x-3) by 4. So, 4(x-3)=4x-12. If you have a BUNCH of parentheses in your problem, such as 2[4(x-3)], you start from the inside and work out. Starting small...

For the most part, no. But it all depends on the job you get and the branch you go into. You'll need to know the math you learn in high school to get a good score on the ASVAB test. The better you score on your ASVAB, the more jobs you can choose from. You might want a job that doesn't require math,...