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A.) 6:10

Step-by-step explanation:

Add the hours first:

The time is now  5:35. Add the minutes alone:

Since there are 60 minutes in an hour, subtract 60 from 70:

Since you passed the 60 minute mark, go up another hour and insert the minutes:

Finito.

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3