How do i account for inputmismatchexception?

What does a sperm cell plus egg cell equal in total?

Howard is designing a chair swing ride. the swing ropes are 5 meters long, and in full swing they tilt in an angle of 29° outside chairs to be 2.75 m above the ground in full swing.

Look at the far left lane in the picture. explain what the red car is doing and what it needs to do to travel safely.