Hai vòi cùng chảy vào một bể sau 10h sẽ đầy, nếu mở vòi 1 trong 6h rồi khóa lại và mở vòi 2 trong 3h thì đầy 2/5 bể. Hỏi nếu mở riêng mỗi vòi sau bao lâu sẽ đầy bể

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

Find the product of (4x + 3y)(4x − 3y). 16x2 − 24xy + 9y2 16x2 − 9y2 16x2 + 24xy + 9y2 16x2 + 9y2

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?