Answer:
A closed circulatory system can have a single or double circulatory pattern. Fish have a single circulatory pattern, wherein the blood passes through the heart only once during each complete circuit. Oxygen-deprived blood from the body tissues comes to the heart, from where it is pumped to the gills.
Step-by-step explanation:
i looked it up
Answer:
The slope of the line is 
Step-by-step explanation:
For any line
, a line that is perpendicular to it is
.
Therefore the slope of the perpendicular line is
.
For our case
therefore the slope of the prependicular is the reciprocal of
multiplied by 

Answer:

Step-by-step explanation:


Answer:
C. 2
Step-by-step explanation:
Gradient = 
Gradient = 
Gradient = 2
Answer:
10.68 ft
Step-by-step explanation:
sin(62.87)=x/12
12sin(62.87)
=10.68 ft