How many feet should you be away from a powerline?

What do trees produce that is so important to your survival? When starting a new unit teacher announces that each day after first the class must do twice the total number of problems that been assigned on all previous days. The class work for 6 days and the 7th? I'm emetophobic and I'm scared God will punish me for sinning by making me vomit am I being silly? What is 418.5 divided by 9? What is 5 eighths of 12.732395447351628? How many square meters in 2275 square feet? Write the equation used to calculate percent error? What is done to a variable represent an unknown quanity? What is three hundred and seventy two minus ninety six? How many syllables in the word strangest? What type of math is used to determine a distance? What is 319 divided without a remainder? How do you simplify 12 over 4? Does 4 go into 138? What is 57 percent of 1013? How long is 14mm in inches? Is a pencil a m or a km or a cm? What do you call a shape with 120 sides? How many kilometers is 1400000 meters? What is g2 plus 7g simplified?