All parallelograms are

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 ?

Which of the following is true for the relation f(x)=2x^2+1

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9