Eric's age is 8 and her mother is 42.In how many years time will the mother be 3 times as old as her son

Last year amusement park received 236,758 visitors it was open every day of the year but 7 holliday’s what was the average number of visitors to the park per day

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Identify the number 127 as a rational or irrational. explain