Answer:
With the increase of the value of a ,the value of the expression 20+a will also increase.
Step-by-step explanation:
Answer:
112
Step-by-step explanation:
Answer:C. 2/3 cm/s
Step-by-step explanation:
Answer:
The new position of the bird is 1 ft below surface of pond.
Step-by-step explanation:
- Position of water bird after 15ft dive:
11-15= -4ft
- Position of water after rising 3 feet:
-4+3= -1ft
Therefor it id 1ft below the surface of the pond