CAN SOMEONE ANSWER THIS Translate the description as an algebraic expression:
the ratio of 3 and the difference of k and 11

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

State if the two triangles are congruent. if they are, state how you know?