About
About Marks Education
Counseling Team
Tutoring Team
Careers
Educational Partnerships
Counseling
Counseling
Middle & Secondary School Admission
College Admission
College Transfer
Graduate & Professional School Admission
Counseling Services & Fees
Tutoring
Academic Tutoring Fees and Packages
Academic Tutoring
Summer Reading and Writing Program
Summer Math Intensive Program
Tutoring
Resources for Students
Webinars
Test Prep Tutoring
Test Prep Tutoring Fees and Packages
PSAT SAT ACT – TEST PREP
Score Improvement Data
Educational Partnerships
SSAT ISEE HSPT – TEST PREP
SAT ACT Comparison
LSAT Test Prep Tutoring
GRE Test Prep Tutoring
GMAT Test Prep Tutoring
Books
Our Books
SAT Total Prep Tests Explanations
Four Realistic SATs Tests Explanation
SAT Comp Guide Video Explanations
SAT Total Prep Video Explanations
ACT Comp Guide Video Explanations
Blog
Contact Us
Marks Education
>
Matrices Problem Set
Matrices Problem Set
Problem 3
Problem 7
Problem 9
