Emanuel has 745 pictures in his phone. his memory is getting full, so he starts
deleting 20 pictures every day. define each variable and write an algebraic
expression to describe the number of pictures left on his phone after any given
number of days.',

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

Hi my sisters and brothers can tell me the answer because i don’t understand the question

If the discriminant if a quadratic equation is 4 which statement describes the roots?