In a subway car of 42 people, 12 are sitting and the rest are standing what is the ratio of people sitting to people standing?

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

Solve 2x+y=3 x+y=5 in substitution method