Which of the following is the equation of a line that is perpendicular to the graph of y = 2/5x − 1?

Which expression is not a polynomial?

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?