All together, Dion and Trevor worked a total of 38 hours last week. If Dion worked d hours, which expression represents the number of hours Trevor worked? 38 + d
38 minus d
StartFraction 38 over d EndFraction
StartFraction 38 + d over 2 EndFraction

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step-by-step explanation:

i hope this : )

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.