Which expression illustrates the associative property of addition?
. (3+19) - 12 = (3 +12) - 19
O 3 + (19 - 12) = 3 + (19 +12)
(3 +19) - 12 = 3 + (19-12)
O 3+ (19-12) = 3 - (19 +12)

(3 + 19) - 12 = 3 + (19 - 12).

Step-by-step explanation:

The parentheses have migrated to the right  whereas the order of the numbers and operations has stayed the same.

the car was traveling 40 mph before it started skidding. ( 2 points ) 17. was the driver were her brakes working at 75% efficiency or better? ( 2 points ) yes 29.

step-by-step explanation: