Answer:
A. After two minutes, a bear can manage to have 120 heartbeats.
B. The slope of blue line is 60/1.
C. The slope of red line is 12/1
D. The equation for blue line is y = 60/1x
E. The equation for red line is y = 12/1x
Definition
An irrational number is a number that cannot be expressed in as a fraction. It has decimal expression that does not terminate.
An example will be √2.
Reason:
(1) √2 cannot be expressed as a fraction form
(2) √2 has decimals that does not terminate
So for A Write all numerators above the least common denominator Add the numbers
7
-
12