The price of an item has dropped to $81 today. Yesterday it was $180 . Find the percentage decrease.

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

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 ?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).