What number is one hundred more than 770?​

When can u say there is no solution for a system of linear inequalities? explain your answer and show with a system and graph

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?

Type the next three numbers in a sequence 80, 90, 85, 95, 90, 100, 95, 105