You are giving away equal groups of paper clips to some number of friends. each friend receives 15 paper clips and you started with 90 paper clips. how many friends receive paper clips?

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?

Algebraically prove that a clockwise and counterclockwise rotation of 180° about the origin for triangle abc are equivalent rotations.