If exit times exit equals leave then then what does exit time walk equal

Simplify 6sin θsec θ. choices a) 6 tan θ b) 6 cos θ c) 6 cot θ d) 6

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36