In four hours, he drives: = 252
So, Unit rate = 252/4 = 63 mph
In seven hours, it would be = 63 * 7 = 441 miles
Hope this helps!
Answer:
3
Step-by-step explanation:
To find the average add all these numbers together, then divide by how many numbers you have.



Answer:
Quadrant II
Step-by-step explanation:
Since there are 360 degrees in a circle we will subtract it from 860 until we get a number less than 360

Since it less than 180 but more than 90 it will be in the second quadrant
Hope this helps! <3
Simplified answer is 4+8i
Answer:
y=1, x=1
Step-by-step explanation:
This is a 90-45-45 triangle. One side is a sq root 2, and the other sides are a and a.
For example, if one side was 3 sq root two, then the other sides would be 3 and 3