How many electrons do almost all elements want in their outer shell? what is the exception?

The two-way frequency table below shows data on playing a sport and playing a musical instrument for students in a class.

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

How many square centimeters of wrapping paper will be used to wrap the shoe box?