Can someone check these please? x = 2 cos3 theta, y = 2 sin3 theta An integral t

Question

Can someone check these please?

x = 2 cos3 theta, y = 2 sin3 theta An integral that represents the total length of the asteroid is Question 3 options: A cow is tied to a silo with radius 7 by a rope just long enough to reach the opposite side of the silo. Find the area available for grazing by the cow. Round the answer to the nearest hundredth Select the correct answer. Question 4 options: 564.21 1,266.09 403.01 3,545.05 A population of protozoa develops with a constant relative growth rate of 0.9521 per day. On day zero the population constant of 4 members. Find the population correct to the nearest whole number. Select the correct answer. Question 5 options: p=3,127 none of these p=10 p=784 p=4,387 p=3,137 Find the points on the curve where the tangent is horizontal. x = 5 (cos theta - cos2 theta), y = 5 (sin theta - sin theta cos theta) Select the correct answer. Question 6 options:

Explanation / Answer

I have got them too...sure they are correct:)

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