Please help with number 4,5,6,7,8 it will mean a lot

Choose a second initial value that is 0.01 greater than the initial value from question 9. iterate it using the function, f, ten times. if necessary, you can round your results to the nearest ten-thousandth.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Nikolas calculated the volume of the prism. his work is shown below.