How many times do 5 go into 5?

What we call less than 180 degree? What is the smallest four digit number that is divisible by 2? What is the area of a circle with the diameter is 21? Why is the electrical frequency for AC power 60 Hz in the US and 50 Hz in Europe and how were the frequencies determined? Do fractals have fractional dimensions? A model truck is 18 point 5 inches long and 7 point 5 inches wide The original truck was 12 feet long How wide was it? How much is the energy in 1 cubic meter of water as per Einstein equation? What is the value of a 1987 US Proof set? How many inches in 60 miles? What is the largest numerical sequence? What multiplied by 3 equals 36? What is 60.5inches to ft? Which measurement is more precise 634 mm or 63 cm? What does 6x - (-3x) plus 3 - 8 plus 2x equal? How many 4x4 tiles make a square foot? 25 dived by 72,450? How do you write 6.1 as percent? Draw and label the 3 compartment sink for manual warewashing? Which is a bigger fraction nine fourths or seven thirds? What are the common factors of 75 and 375?