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  1. S

    Is there a national grammar & punctuation proficiency test?

    The ACT English and SAT Writing sections address these topics, but I'm not sure if there's an exam that is just English grammar. Why is spelling a concern? lol EDIT: The TOEFL is a test that focuses on English language and grammar at a university level.
  2. S

    Is there a national grammar & punctuation proficiency test?

    The ACT English and SAT Writing sections address these topics, but I'm not sure if there's an exam that is just English grammar. Why is spelling a concern? lol EDIT: The TOEFL is a test that focuses on English language and grammar at a university level.
  3. S

    What does connector #7 do on iPhone 3GS?

    I recently bought a broken iPhone off eBay, thinking that I could fix it. However, when opening it up, I noticed that the #7 connector wasn't attached (bottom right), because the socket was destroyed - I have no idea how that could be possible. What does this connect anyway? Is there any way I...
  4. S

    Find the angle and point of intersection between 2 parametic equations?

    r = (5, -2, 3) + t(6, -4, 2) r = (8, -4, 4) + t(8, 2, -5) How do you find the angle of intersection and the point of intersection? Thanks!!!
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