What attributes does a rhombus have

The distance around the lake is 2 kilometers. ifelena wants to run 14 kilometers this week, howmany laps must she run around the lake

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?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)