The circumference of a circle is 10pi feet what is the area of the circle A 100pi square feet
b 10pi square feet
c 25pi square feet
d 50pi square feet
please show me the steps on how to do it I already have the answer

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?