Stacy owns a hair salon and haircuts are $10. She charges hairdressers $20 per hour to rent a chair and serve clients. What is the minimum number of haircuts a hairdresser should give per hour to earn money at Stacy's salon?
Two
Three
Four
Five

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change

Science cannot describe things that a.) are beyond imagination, experience, or human ability b.) cannot be observed, measured, or tested c.) have not been conclusively proven d.) occur without being seen, heard, or felt

Which of the following was the greatest short-term effect of spanish colonization on american indians? a. it sharply decreased their population b. it opened them to european ideas c. it gave them new crops to growd. it led to their disappearance from the americas i would appreciate the : ) i'm stuck between a couple answers