(there both the same problem) So i never understood how to do ''nets'' on a shape may i please get help? thanks

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).