0. 2074 Set B Q. No. 9a 20 men can do a piece of work in 24 days. After working for six days an additional number of men is employed to finish the work in 21 days from the beginning. Find the number of additional men. [3]​

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(–3, 1),  s'(–3, 5)b.r'(–1, 3),  s'(–5, 3)c.r'(1, 3),  s'(5, 3)d.r'(5, 3),  s'(1, 3)

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0