math
posted by math .
Tristan is having a birthday party. He doesn’t want anyone less than 10 years old to come to his party. If y equals age in years, which number sentence expresses his age requirements?
A. y < 10
B. 10 = y
C. y 10
D. 9 > y

It would help if you proofread your questions before you posted them.
y > 10