Answer:
A
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Given
River is flowing from south to North with a velocity of 
Motor boat traverses the river from east to west at a speed of 
South component of boat velocity must compensate the river velocity in order to travel in west direction.

Answer:
a^2 - 2a.
Step-by-step explanation:
Replace the y in g(y) by a - 1 and simplify.
g(a-1) = (a - 1)^2 - 1
= a^2 - 2a + 1 - 1
= a^2 - 2a.
Answer:
<h2>
<em><u>3rd</u></em><em><u> </u></em><em><u>Option</u></em><em><u> </u></em></h2>
Step-by-step explanation:


