Solid:
What is the surface area of the pyramid?
units

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Find the missing dimension extra points

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.