Solve and show work. 4-(6x+5)=7-2(3x+4)

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Consider the system: y = 3x + 5 y = ax + b what values for a and b make the system inconsistent? what values for a and b make the system consistent and dependent? explain

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?