4/3 x 3.14 x 18^3/6 , why is my equation set up like this?

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?

What is the measure of the smallest angle in the diagram? 15 29 32 45