A triangle has side lengths of (9.8f - 8.4) centimeters, (2.2f +4.9) centimeters, and (9.89 + 9.2) centimeters. Which expression represents the perimeter, in
centimeters, of the triangle?

d is the answer

step-by-step explanation:

the reason why your question keeps getting deleted because this is not a school related question : )

i will answer your question though.

i never tried church's

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

c

step-by-step explanation: