A glass triangular
prism for a telescope is 5.5 inches long. Each side of the prism's triangular bases is 4 inches long and about 3.46 inches high. About how much glass covers the surface of the prism?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]