What is the circumference of this circle, in centimeters? Use 22/7

d = 21 cm

o33
o 66
o2074
o 346.5

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 statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)