Which sentence should be revised for clarity? a. guided by a remote control, the robot is able to hover in place as well as fly in all directions, which gives it flexibility. b. this palm-sized robot has the appearance of a large motorized dragonfly. c. its movable wings allow the robot to accompany and film people or objects in motion, so it can film the action as it is happening. d. equipped with a video camera, the robot in flight captures aerial views that provide a unique visual angle.

How do you think langley employees reconcile the difference between the work they do that is innovative and advances humankind with the work they do that destroys it?

Ron and nick chose to start their own businesses. ron wanted to start an ice cream shop, and nick wanted to launch a television manufacturing company. ron and nick had equal amounts of funds on hand and no government regulations restricting them. months later, however, ron has already set up his business, while nick is still struggling to raise additional funds to build a factory. what was the main factor that affected nick’s business? a. an irrelevant business idea b. low demand for tvs in his country c. high start-up costs d. lack of labor economics

How does hughes’ poem, “let america be america again,” represent the idea of the failure of the american dream?