What is the result when you combine only the constants in the following expression? 3 a minus 6 b + 3 minus 7 a + 10 PLZ HURRY

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

What expression is equivalent to 42x-56y

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