Triangle ABC is transformed to obtain triangle A′B′C′: Which statement is correct for and ? (5 points) because is obtained by dilating by a scale factor of and then rotating it about the origin by 180 degrees , because is obtained by dilating by a scale factor of and then rotating it about the origin by 90 degrees , because is obtained by dilating by a scale factor of and then rotating it about the origin by 180 degrees , because is obtained by dilating by a scale factor of and then rotating it about the origin by 90 degrees

What is the volume of the sphere shown below with a radius of 3?

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²