Answer:
I think is 8x+194
Step-by-step explanation:
3x+175+5x+19
8x+194
<span>Standard form means that you write the terms by descending degree.
</span>

<span>
The degree of the first term </span>

is

.
The degree of the second term

is

.
The degree of the third term

is

.
The terms are written by descending degree. Therefore, polynomial

is written in standard form.
Answer:
2x+170 miles
Step-by-step explanation:
Day 1: x miles
Day 2: x + 170 miles
Add both
x + x + 170
= 2x + 170
28 % is actually written as .28 , so it would be written like this , 600 * 28 = 168.00 = for more simplified form it would be , 168 students , hope this helps