What is the value of p in the equation

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?

Which of the following is an equation of a line parallel to the equation y=4x+1?

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x