Which best describes the function on the graph?
answer quickly

direct variation; k = 3
direct variation; k = 1 over 3
inverse variation; k = 3
inverse variation; k = 1 over 3

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f