Answer:
the answqee is D.
Step-by-step explanation:
A fraction you are dividing while a decimal is considered as a number
I cant see the question 1 sorry:(
2. x=71(base angle, isos. triangle)
3. x=45 (same reason as the above)
4. the third one
I think it is 7/12 because if you subtract the two numbers, you get 7/12
