Find the radius of the circle which has the same area as the combined area of a circle of radius 12 cm and a
circle of radius 5 cm.

What situation is an example of an observational study

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Consider a= {x|x is alive} f={x|x is in france} m={x|x is a national monument} w{x|x is a woman}. which statements are true regarding elements of the given sets? check all that apply.