2.which expression is equivalent to

If the measure of xyz is 81 what is the measure of yz

For how answer my question this will be the last question can you answer in math subject

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?