Jessicawants to buy a ring for her friend Sarah. She knows Sarah's finger has a diameter of 15mm. The jewelry store sizes their rings by radius. What size ring shouldJessica purchase?​

Add the fractions and simplify 1/2+ 1/3

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.