6. The price of a movie was reduced from $40 to $30. By what percentage was the price of the video reduced?
A. 10%
B. 25%
C. 33%
D. not here

Help I need this answer asap

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

If f(x)= 3x+6 which of the following is the inverse of f(x)

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48