Answer:
Step-by-step explanation: 3/2=1.5 (-6/5)=(-1.2) 1.5+(-1.2)=0.3
Answer=0.3

= 7.348469228
this is irrational, because it cannot be written in the form

2. Irrational
Answer:

Step-by-step explanation:
We want to find the square root of 50;
We need to first rewrite 50 as a prime factorization.

We now split the square root to get:

Take square root to get:


To the nearest tenth we have 
12 because 24 is the diameter and the radius is half the diameter