sophiamonique sophiamonique 12-12-2014 Mathematics contestada Which placement of grouping symbols in the expression gives it a value of 6? 7 • 5 – 4 • 5 + 9 A. 7 • (5 – 4) • (5 + 9) B. 7 • [(5 – 4) • 5] + 9 C. 7 • [5 – (4 • 5) + 9] D. (7 • 5) – [(4 • 5) + 9]