What is the measure of W?
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URGENT

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)