What is sumtraction?

What is Dimunition? What is the standard notation of 8 times 10 to the 5th power? Half times a half? What three colors that comprise the primary color scheme? What is 4h equals 36? If a quadrilateral is a parallelogram will it always have equal angles? Which is a rectangle with 4 equal side lengths? How many square cm in 4 sq inches? How do you write 13 to the 4th power? Can the slope of a line be negative? Is 2 in the ones plac? Does find in math mean do the working? What fraction is 400 meters of one kilometer? What is 9.5 as a mixed number? What are 3 equivalent fractions equal to two thirds? What is another way to say 1000 meters? What is 5 and 1 over 5 as an improper fraction? If An arrow in flight has an initial velocity of 65 meters per second and 10 seconds later it has a velocity of 35 meters per second Which is the acceleration of the arrow? What three factors make individuals more vulnerable to abuse than others? Is 17 a good number?