25;33;11;49 wich is the intruder
2/3; 5/8; 11/77; 7/8 which is the intruder​

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

How do you solving the solution of each system using elimination?

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?