A quiz consists of 770 true or false questions. If the student guesses on each question, what is the mean number of correct answers?​

Find the length of the following tangent segments to the circles centered at o and o' whose radii are 5 and 3 respectively and the distance between o and o' is 12. what is the tangent segment of cd?

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

#7. m is the midpoint of pq, the diameter of the circle o is 13in. and rm = 4in. find pm find pq