Given: q = 7m + 3n, r = 11 - 2m, s = n + 5, and t = -m - 3n + 8.

simplify [q - r] + [s - t].

a. 10m + 5n - 24
b. 10m - 5n + 24
c. 10m + 7n - 14
d. 10m - 7n - 14

Which statements regarding efg are true? check all that apply.

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