Science, Mathematics, & Computer Science
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ACT® is a registered trademark of ACT, Inc., which does not endorse, these products or this site.
GRE®, PPST®, PRAXIS I®, PRAXIS II®, TOEFL®, and TOEFL iBT® are registered trademarks of the Educational Testing Service (ETS®), which was not involved in the production of, and does not endorse these products. PRAXIS™ and THE PRAXIS SERIES™ are trademarks of the Educational Testing Service (ETS®), which was not involved in the production of, and does not endorse this product or site.
GED® is a registered trademark of the American Council on Education (ACE) and may not be used without permission. The GED® and GED Testing Service® brands are administered by GED Testing Service LLC under license. ACE and GED Testing Service LLC have not approved, authorized, endorsed, been involved in the development of, or licensed the substantive content of this material.
PARCC® is a registered trademark of PARCC, Inc. REA, Inc., is not owned by or affiliated in any fashion with PARCC, Inc., the Partnership for the Assessment of Readiness for College and Careers, nor any state of the Union. Neither PARCC, Inc., nor The Partnership for the Assessment of Readiness for College and Careers, nor any member state has endorsed this product. No portion of any fees or charges paid for any products or services REA offers will be paid or inure to the benefit of PARCC, Inc., or any state of the Union.