An error has been made in subtracting the two polynomials shown in the work below. (6x2 - 4x - 5)-(3x2 - 7x + 2) =
6x2 - 4x - 5
--3x2 - 7x = 2
3x2 - 11x - 3
Part A: Explain the error that has been made.
Part B: Show how to correctly subtract the two polynomials.​

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?

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Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236