Which sum is rational?

A. π + 18

B. √25 + 1.75

C. √3 + 5.5

D. π + √2

a. 21.141 for this pi is 3.14 so you add that and 18

b. 6.75 for this one the square root of 25 is 5. you just add 5 and 1.75

c. 7.232 sqaure root of 3 is 1.73 so add those too

d. 4.5558 pi is 3.14 and square root of 2