Select all the situations for which only zero or positive solutions make sense. (Select all that apply.)
1. Measuring temperature in degrees Celsius at an Arctic outpost each day in January.
2. The height of a candle as it burns over an hour.
3. The elevation above sea level of a hiker descending into a canyon.
4. The number of students remaining in school after 6:00 p. m.
5. The temperature in degrees Fahrenheit of an oven used on a hot summer day.

Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?