Elena and Lin are trying to solve 1/2 x + 3 = 7/2 x + 5. Describe the change they each make to each side of the equation. Elena's first step is to write 3 = 7/3 x - 1/2 x + 5.

Which of the following best summarizes the point of agreement?

[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a. light in water b. light in vacuum c. sound in air. d. sound in water

Which of the following statements best characterizes changes to agriculture in the united states since 1900? a. increased mechanization has reduced the need for labor. b. increased mechanization has increased the need for water, thereby increasing the need for labor. increased mechanization has increased the use of land, thereby increasing the need for labor. d. increased mechanization has increased food production, thereby increasing the need for labor. select the best answer from the choices provided.