Rule of 72 If you bought a house for $150,000 and the annual inflation rate was 4 percent, how long would it take before the house, under good maintenance, would be worth $300,000?

Which pronoun has an unclear antecedent in the following sentences? the sixth-grade students liked volunteering their time to read to the elderly people in the hospital. it made them happy. a. their b. it c. them d. no unclear antecedents

Which of the following early north american cultures were known for building wigwams and longhouses? a. eastern cultures b. great plains cultures c. western cultures d. northern cultures

Population parameters are difficult to calculate due to