Please help for number 2 one you find the volume of the cylinder and number 3 you find the volume of the cone...

Need on this one asap im almost done with this subject

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.