There are 10 boys trying out for the track team. truman and ryan are the two fastest runners. if the coach randomly picks two boys to run a sprint, what is the probability that he will pick truman and then ryan?

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )