Simplify.-`a“b`

Simplify.  = /  

Multiply or divide and simplify.  = /

What is |`p`|

Add or subtract and simplify.  = /

Simplify.(-`a`)`b`

Convert the mixed fraction into an improper fraction.  =  /

Multiply `a` × 100

Compare using , or =.

Evaluate the expression if x = `x`, y = `y`, and z = `z` xz – y2