What is tan 11pi/6?
A. -√3/3

B. √3/3

C. -√3

D. √3

Help ASAP !!!

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

Write an equation in slope intercept form of the line passes through the given point and is parallel to the graph of the given equation (0,0); y=3/8 x+2

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?