0. Review of Algebra

Evaluate each expression for $x=-4$ and $y=2$.

$\mid 2x-5y\mid$

Evaluate each expression for $x=-4$ and $y=2$.

$\mid -5y+x\mid$

Add or subtract, as indicated. 3/2k + 5/3k

Add or subtract, as indicated. 1/6m + 2/5m + 4/m

Add or subtract, as indicated. 1/a + b/a²

Add or subtract, as indicated. 5/12x²y - 11/6xy