Find square root of 56 using long division method

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.

Yvaries inversely as x. y =12 when x=5. find y when x=4

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.