Which shows a way to take apart 9?
9-1= 1
10-8=2
10-2=8
9+1=10

Which equation matches the graph shown ?

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?

What number line represents the solution set for the inequality -1/2 greater than or equal to 4