How close is the t-value to the corresponding z-value (at the bottom of the column for d. f.= ∞)?

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

State if the two triangles are congruent. if they are, state how you know?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12