Which shows the equation below written in the form ax? + bx + c = 0?
X + 9 = 4(x - 1)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?

What is the prime factorization of 230

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?