Given the points below, find XY. Round to the nearest hundredth.
X(-9, 2) and Y(5,-4)
XY =

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.