Suppose y varies jointly as x and z. If y=15 when x=1/2 and z=6, what is the constant of variation?

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?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

How does reflecting or rotating a figure change the interior angles of the figure?