Which pair of expressions are equivalent? A. 2y – 4 and 2y – 4 + 9 B. 14x – 7 and 7x – 14 C. 9y + 3 + 2 and 3(y + 1) + 2 D. x + y and x – y + 2y E. x + 2 y and x – y

d. all of the above

step-by-step explanation:

answer is b

step-by-step explanation:

there is no points to select.

step-by-step explanation:

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c