Which is a true statement about gender roles? a.) gender roles are basically the same across all cultures b.) male-female friendships are more difficult to develop today than they were in earlier generations c.) most people look for males and females who have interests and goals similar to their own d.) only females learn to express emotions like tenderness and assertiveness

Find the volume of the ellipsoid x^2+y^2+5z^2=36.

How many neutrons does plutonium -196 with an atomic number of 78.

Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?