The perimeter is going to be 2x+2y=222 (x being length and y being height.)
We know our length, x, so plug it in.
2(60)+2y=222
120+2y=222
Subtract.
2y=102
Divide.
y=51
Your width is 51mm.
I believe the correct answer from the choices listed above is option A. An idea that has been repeatedly tested and becomes widely accepted is a fact. <span>The usual test for a statement of </span>fact<span> is verifiability—that is, whether it can be demonstrated to correspond to experience.</span>
Hope this answers the question. Have a nice day.
Answer: The section: How to stay safe when a volcano threatens; Prepare Now.
Explanation: The webpage ready.gov provides the necessary information that civilians need to know in case of a disaster or emergency. In the area of volcanoes, there is a section named: "How to stay safe when a volcano threatens; Prepare Now.", which presents instructions to follow when a volcano emergency is on course, citing directly from it; "Ask local emergency management for evacuation and shelter plans, and potential means of protection from ash.".