Find the value of r so the line that passes through (–5, 2) and (3, r) has a slope of -1/2

What is the difference between regular convex and concave polygons

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left