The ratio of boys to girls in a group is 7:3. If there are 40 more boys than girls, work out how many girls there are.

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Match each inequality to the number line that represents its solution

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2