Just not quite sure how to answer these questions. Here are the questions below:
Thank you
1. Solve the equation
for 
2. Six friends attend a basketball game as spectators. They sit side by side in a row of six seats
i) In how many arrangements can they sit if Christos must sit between Eleri and Sophia
ii) In how many arrangements can they sit if Bryant and Marcel choose not to sit beside each other
3i) Prove that ABCD is cyclic
ii) If E is the centre of the circle ABCD, find the size of
DCB
4. The volume generated when an area in the first quadrant under a certain curve is rotated about the x-axis is given by
i) Write down the equation of the curve
ii)Calculate the size of the area being rotated (leave answer in exact form)
Thank you
1. Solve the equation
2. Six friends attend a basketball game as spectators. They sit side by side in a row of six seats
i) In how many arrangements can they sit if Christos must sit between Eleri and Sophia
ii) In how many arrangements can they sit if Bryant and Marcel choose not to sit beside each other
3i) Prove that ABCD is cyclic
ii) If E is the centre of the circle ABCD, find the size of
4. The volume generated when an area in the first quadrant under a certain curve is rotated about the x-axis is given by
i) Write down the equation of the curve
ii)Calculate the size of the area being rotated (leave answer in exact form)
