Answer:

Step-by-step explanation:
Let
y ----> the distance in miles
x ----> the time in hours
using proportion

Simplify


This is a linear direct variation
The unit rate or speed is the slope of the linear equation
The unit rate is 4 miles/hour
Given:
and
.
To find:
The value of f(5).
Solution:
We have,

For
,




For
,




For
,




For
,




Therefore, the value of
is
.
Answer:
1 2/3
Step-by-step explanation:
Step-by-step explanation:
Average between these no.s =


approx
Answer:
45°
Step-by-step explanation:
Complementary angles sum to 90°, thus
90° - 45° = 45° ← is the complement of 45°