How can you check the solution to x + 5 = 3x - 1 using algebra tiles?

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.

Aline has a slope of negative 1/4 the past two points -5/4 and 1 what is the equation of the line