Find the midpoint of points A(3,1) and B(-6, 4) graphically.

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

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?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n