Find the value of x

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

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96