Aperson on a moving sidewalk travel 21 feet on 7 seconds. the moving sidewalk has a length of 180 feet. how long with it take to move from one end of the sidewalk to the other

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days