Plz help me I'll give and 60 points If F(x) = log base5(2x,) find the Inverse of F(x)

A) 5^y=2x
B) 5^2y=x
C) y = (5^x)/2

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. determine an equation to model his situation?

How is working backward similar to solving an equation?

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?