This circle is centered at the origin, and the length of its radius is 4. what is the equation of the circle? HELP PLEASE LIKE YALL MFS TRY AND HELP ASAP

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Is this a polynomial function? i need to know asap

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.