Find the missing value of x in the arithmetic sequence below 12,5,x,-9,-16

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

What is not true about kl and mn? what is mn? (show )

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3