Which of the following is equivalent to the sum of and ?
Equivalent expressions
Math > Advanced Math
Log in to view questions and detailed explanations.
Free Full Length SAT Tests withOfficial-StyleQuestions
Practice with our full length adapive full testreal test-likequestions and proven300+points score boost

Essential SAT Prep Tools
Maximize your SAT preparation with our comprehensive suite of tools designed to enhance your study experience and track your progress effectively.
Personalized Study Planner
Get a customized study schedule based on your target score, available study time, and test date.
Expert-Curated Question Bank
Access 2000+ handpicked SAT questions with detailed explanations, organized by topic and difficulty level.
Smart Flashcards
Create and study with AI-powered flashcards featuring spaced repetition for optimal retention.
Score Calculator
Convert raw scores to scaled scores instantly and track your progress towards your target score.
SAT Skills Lessons
Master each SAT skill with progressive lessons and comprehensive guides, from foundational concepts to advanced techniques.
Full-Length Practice Tests
Experience complete SAT exams under realistic conditions with adaptive difficulty.
Pro Tip
Start your SAT prep journey by creating a personalized study plan 3-4 months before your test date. Use our time management tools to master pacing, combine mini-tests for targeted practice, and gradually progress to full-length practice tests. Regular review with flashcards and consistent practice with our question bank will help you stay on track with your study goals.