What is the solution to the given equation? X^2+3x+7=0

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

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 area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²