Luis bought stock at $84.80. the next day, the price increased $13.65. this new price changed by −3 3 4 % the following day. what was the final stock price, rounded to the nearest cent?

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

27 is what percent of 108? 27 is % of 108

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning