In this line of ,the ratio of red circles to blue circles is 1: 3 , how many more red circles would need to be added to make the ratio of red to blue 3: 1

Pj is decorating pupcakes for rocky's birthday party. her color scheme is black, purple, and green. she will use this spinner to determine the color of sprinkles on each pupcake. which model shows the probability of randomly landing on each color?

Draw a scaled copy of the circle using a scale factor of 2

Rob filled 5 fewer plastic boxes with football cards than basketball cards. he filled 11 boxes with basketball cards.