A student is going to produce static charge in a glass rod by rubbing it with a piece of silk. Which method of transferring charge does this image illustrate?

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?

Is there an x intercept in the equation 60*1.15^x

Express -5 2/5 as an improper fraction.