Write a mathematical sentence for the inequality twice the difference of a number and seven is less than or equal to forty

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

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?