Suppose a point (x, y) on the coordinate plane is rotated 270 degrees counterclockwise about the origin, then reflected across the line y = - x , then reflected across the y-axis. show that the image of (x, y) after this sequence of transformations is the same as the image of (x, y) after a 180 degrees rotation about the origin .

What is the greater volume 72 quarts or 23 gallons

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle. what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle. what is the measure of angle a? enter your answer in the box. m∠a= 3.)quadrilateral abcd is inscribed in this circle. what is the measure of angle b? enter your answer in the box. m∠b= °4.)quadrilateral abcd is inscribed in this circle. what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle. what is the measure of angle c? enter your answer in the box.°