Six sophomores and 14 freshmen are competing for two alternate positions on the debate team.
Which expression represents the probability that both students chosen are sophomores?
(6C) (C)
2002
(6P1) (P2
20P2
(2006) (Cs)
2002
(20P 6) (19Ps)
20P2

Which sequence of transformations on preimage ∆abc will not produce the image ∆a'b'c'? a. reflection across the line y = x b. rotation 180° clockwise about the origin followed by a reflection across the line y = -x c. reflection across the x-axis followed by a reflection across the y-axis d. reflection across the line y = -x followed by a rotation 180° counterclockwise about the origin e. reflection across the y-axis followed by a rotation 90° clockwise about the origin

Where does oxidative phosphorylation take place

Which type of seismic waves are confined at the surface