Three angles of a quadrilateral are 75 degrees, 90 degrees, and 75 degrees. Find the fourth angle? please answer quick​

Which point is a solution to the inequality shown in this graph (-3,-3)(3,-1)

When y’all answer can y’all explain too !

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons