How many values of θ will satisfy tan-1 0 = θ when 0º< θ< 90º?

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking: