640 CR and 710 Writing How do i Raise these?

Test Preparation SAT Preparation
1

<p>Hey guys just wondering what i should be doing to drastically raise my CR score to above 700 and writing score to 750, my math is already at 750.</p>

<p>I ordered the new Barrons 2400 book but its coming out in august. What should i be doing in the mean time?</p>

2

<p>do sum vocab</p>