The highest temperature was 97° in seattle last year and the lowest temperature was -9°. what was the difference between the highest and lowest temperatures for the year?

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?