URGENT
triangle abc ~triangle a' b' c'

Find angle measurements y, z, and w

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.