Answer:
The simplified expressions are (<em>x</em> + <em>y·</em>z' + <em>t</em>) and <em>x·</em>(<em>x</em> + <em>y</em>' + <em>z</em>) respectively.
Step-by-step explanation:
The expressions provided are:

(i)
Simplify the first expression with as few symbols as possible:


(ii)
Simplify the second expression with as few symbols as possible:


Thus, the simplified expressions are (<em>x</em> + <em>y·</em>z' + <em>t</em>) and <em>x·</em>(<em>x</em> + <em>y</em>' + <em>z</em>) respectively.
It's three thousand and fifty
Answer:
32
Step-by-step explanation:
Add 170,000 and 180,000 together then divide by 2. The number is 175000.