The heights of a large population of ostriches are normally distributed. Which is the closest percentage of these heights that is within 3 standard deviations of the mean?

Every rhombus is a square. true false

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8