Sara and two roommates equally share the rent on their apartment. the rent is r dollars. which expression shows sara's share of the rent? a. r + 3 b. r - 3 c. r × 3 d. r ÷ 3

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?