According to my calculations the answer should be 750
18 cabbages left because 10% of 180 is 18
The zebra danios are longer because if they are 4/3 the lenth bigger they would be the longest.
Answer:
Step-by-step explanation:
To find the values of the angle which makes maximum r you use the derivative of r

If you equals this derivative to zero you obtain the value of the angle:

However, the values of 5π/6 and 9π/6 are also available, because makes the sinusoidal function equal to 1.
hence, the answer is:

answer b