What is the average of 6 and 7?

How many liters weigh 400 grams? How much is a penny worth if it is not stamped on either side? Can people have more than three legs? Is 56 a prime number or a composite? What all the counting numbers? How do you divide equally 16 apples for17 kids? Is a decimal that doesn't repeat rational? What is the flat line on an ecg called? What is 3 4 as a percentage? What does side side side mean in math? What is 5 thousands plus 15 hundreds? How many horses can you tie to each pole in odd number given 50 horses and 9 poles? How do you write decimals in Europe? Why do some pennies have d's? How many yards od drainage stone is needed for a trench 40ft long 3 ft wide and 3 feet deep? Are 32 and 65 relatively prime? How do you show nine hundred thrity-three ten-thousands in decimals? What are the answers to paul on reading plus? How to arrange this scrambed word LGEIFSNE? What are the disadvantages of a diagram?