Function or not
x y
12 7
3 -2
-2 3
9 8
-12 12

Combine like terms to make a simpler expression 3z+z

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

What is the missing statement in step 4? ? rts ? ? vtu and ? rtu ? ? vts ? rts ? ? rvs and ? rtu ? ? stv ? vrs ? ? vru and ? usr ? ? usv ? vur ? ? vus and ? uvs ? ? sru