What type of graph is best to use to organize numerical data into four groups of approximately equal size?
a. venn diagram
b. box and whisker plot
c. stem-and-leaf plot
d. pictograph

Venn diagram

Step-by-step explanation:

the Venn diagram helps me to add and subtract because it can tell you what your number you have to do to find your answer.

the circle graph is not a function.

step-by-step explanation:

the graph of the circle is not a function.

because for a graph to be a function, each value of x must give one value of y

in the circle, the values of x for -2< x< 2 each give 2 values of y.

hence this is not a function.

the final price would be 29.6925

step-by-step explanation:

39.59 minus 25% equals 29.6925