Please help with part b

Identify the graph of y = ln x + 1.

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'