After a rotation of 90° about the origin, the coordinates of the vertices of the image of a triangle are a (6,3), b'(-2, 1),
and c (1,7). what are the coordinates of the vertices of the pre-image?
a (-6,-,6)(3,-6)(3,6)
b (-1,2)(1,2)(2,-1)(2,1)
c (-7,-,-7)(1,-7)(7,-1)

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Will give brainliest for correct answer 8. use the distance time graph to answer these questions: a. what does the graph tell us about the velocity of the car? b. what is the average velocity of the car? (show work) c. is the velocity reflected in the graph positive or negative?d. is there any point on the graph where the car is not moving? how do we know?