Who was responsible for inventing the first working four-stroke engine?

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid