A single die is rolled twice find the probability of rolling a 1 the first time and a 6 the second time.

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?

Find the area of the regular hexagon if a side is 20 cm.

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?