Answer/Step-by-step explanation:
An equation that describes the relationship can be written as
.
Using the two sets of coordinates, (2, 140) and (4, 280), calculate the slope (m) as shown below:

Substitute m = 70 into 
The equation would be:

This equation can be interpreted as follows:
The heart's resting rate is 70 beats each minute.
Answer:
0.15 is the answer
Step-by-step explanation:
Answer:

Step-by-step explanation:
For
, there are two possible cases:

Solving for both cases, we get:

Answer:
$11.00
Explanation:
$60 given - $49 order = $11 change
Sh*t i had the answer but i lost my train of thought sorry :(