2 + (x + y) = (2 + x) + y is an example of which algebraic property?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

The four students in the table below each recorded the time and distance traveled while exercising. exercising distance (miles) time (minutes) gia 2 30 harris 5 50 ian 3 40 jackson 4 80 which list ranks the students from fastest walker to slowest walker? jackson, gia, ian, harris harris, jackson, ian, gia harris, ian, gia, jackson jackson, harris, ian, gia