In a group of 140 people, each person has a dog, a cat, or a bird. The frequency table shows how many people have each kind of pet. Complete a relative frequency table to show the distribution of the data with respect to all 140 people.

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.

hence, the required result is

step-by-step explanation:

suppose we have two matrices a and b

we will assume the two matrices

we have to compute b-a which means subtracting corresponding elements of a from b.

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