The revenue from selling x shirts is (x) = 12x. The cost of buying x shirts is cx) = 5x + 20.
The profit from selling x shirts is p(x) = f(x) - (x):
What is p(x)?

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 ?

Ineed me i stuck and i don’t want to get it wrong

Need asap. solve for the following inequality