Find the sample space for the gender of each biological child in regard to birth order for a family of 3 children

Find percent notation for 0.008 0.008=

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

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11