I need help to Determine the base of the parallelogram if the area is 108 square units.

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 ?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.

Rewrite the polynomial -9x5 + 36x4 + 189x3 in factored form.