Marybeckwith123 Marybeckwith123 12-02-2021 Mathematics contestada Which expression is equivalent to 14j - 7j + 9 + 4k + 6A) 7j + 4k + 15 B) 21j + 9 + 10kC) 7j + 13k + 6 D) 21j + 13k + 6