if there was a girl staring at the wall then 2 apples hit her in the head then a man slapped her in the head how many things hit her in the head?

Find the solution of system of equation y= x-4 y=4x+2

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?

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.