An educator evaluates the effects of small, medium, and large class sizes on academic performance among male and female students. identify each factor and the levels of each factor in this example. (select all that apply.)

a. gender (two levels: male, female)
b. academic performance (three levels: above average, average, below average) class size (two levels: small, large)
c. academic performance (two levels: passing, failing)
d. class size (three levels: small, medium, large)
e. gender (three levels: male, female, trans)

a. gender (two levels: male, female)

d. class size (three levels: small, medium, large)

Step-by-step explanation:

The study is going to be made to identify how male and female students react to the class size(small, medium, large). So there are two correct options, since the gender and the class size are factors in this research.

The correct options are:

a. gender (two levels: male, female)

d. class size (three levels: small, medium, large)

roots are from trees

step-by-step explanation:

time is equal to distance over rate so

t = d/r

need a little bit more information for the second question.