Hi , the answer is 600 , because 3920 miles divided by 420 minutes[7hours] equals to 9.33 and 9.33 times 60 minutes[1 hour] equals to 559.8 , which is an approximate of 600.
The simplified answer is
.
<u>Step-by-step explanation:</u>

To add or subtract denominators of the fraction must be same.
If it is not the same, we must take LCM of the denominators. and so we can add the fractions.
To make the denominator same multiply the 1st term
and 2nd term by 
= 
LCM of the denominators is 6x²+ 3xz + 2xy +yz.
Multiply the factors in the numerator.
= 
Now, the denominators are same, you can subtract it.
= 
= 
Thus the simplified solution is 
Answer:
1.91h
Step-by-step explanation:
0.06h+h+0.85h
1.91h
HI i just want to let you know i don't know if my answer is correct but i"ve been looking and cant find anything i have the question and my brother told me that the church controlled the dependent princes please let me know if i am correct. i apologize if i am wrong.
The value of x = 108, since the two angles are corresponding, which means they have the same angle, making the angle underneath 108 - 36, which =equals 72, and 72 + 108 = 180