( 30 POINTS)What is the area of this design 4in 4in 6in 6in 10in

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Measures of the angle of r, 31 s (x+4) t (3x+9)

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