light travels 6.71 x 10^8 miles per hour. what is the rate per second? (hint: there are 3,600 seconds in an hour).

Identify the polynomial. a2b - cd3 a.monomial b.binomial c.trinomial d.four-term polynomial e.five-term polynomial

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?