The perimeter of a triangle is 12in. After a dilation, the perimeter is now 60in. What is the scale factor?

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?

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.