"dude, can you come over to play ball?  "no sorry, i have to finish my ixl math
"a useless, repetitive math website that causes the pulling out of hair, suicidal thoughts, stress, and occasionally, constipation and computer damage
""dude, can you come over to play ball?  "no sorry, i have to finish my ixl math" What is the definition of "ixl math"?