In a data set, is the value or values that occurs most often
a. histogram
b. mode
c. mean
d. median

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

If f(x)=x+7 and g(x)=1/x what is (fog)(x)