Differences between black figure and red figure?

Why do you think it took four different people to create a japanese woodcut? why didn't one person do all the work like most artists of today?

Judy pfaff’s installations combined different art forms to express her unique vision of the world. which is not an art form pfaff integrated into her installations? !

Identify the expression 8 + 8 + 8 + 8 as a numerical expression or a variable expression. for a variable expression, name the variable.