Which of the following is not a way to represent the solution of the inequality 8x – (5x + 4) 2-31? Oxz-o
0-9 5x
A number line with a closed circle on -9 and shading to the left
A number line with a closed circle on -9 and shading to the right

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

Can someone me and plz do the problem

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?