The formula for the area, a, of a circle is a = πr2 , where r is the circle’s radius, and the formula for the circumference, c, of a circle is c = πd , where d is the circle’s diameter. which statement is correct?

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

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

2f(x)= x+3 if 4 < x < 8 2x if x 28 2