Question 6 2 pts
A quadrilateral has vertices at (-1,4), (1, -2),(4, -1), and (2,5). What kind of quadrilateral is it? Explain.

Can someone me with this problem i don't understand i need

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.