Which of the following is the equation for the line perpendicular to the line y=−x+20 that passes through the point (−4, 2)?(1 point) y=−x+6 y=−x−2 y=x−2 y=x+6

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?