What is the radius and diameter of the following circle?

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?

Which is the focus of a parabola with equation y2=4x

Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1