Circle H has a radius of 20 units, and circle k has a radius of 16 units. If JI = 1, find JK

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line