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HELPPPPPPPPppppppppppppppppp need help on this question What did the United States mean when it suggested an "Open-Door Policy" in China?All nations were "off-limits" to imperialism in China.All nations should be allowed to trade freely in all Chinese ports.All nations should have an exclusive sphere of influence in China.All nations should pay their respect to the emperor when trade is conducted in China. PLEASE HELP ASAPDuring convection heat is transferred through fluids. Which statement is true about fluids?Only gasses are fluidsOnly liquids are fluidsOnly solids are fluidsBoth liquids and gasses are fluids Why is fluorine a gas at room temperature? GIVING BRAINLIEST AND LOTS OF POINTS Can someone please help me Please do this ASAP! DUE IN 30 MINUTES 6=2(y+2)I. Dont get it Read the selection from the section "Art And Architecture."Modern scientists believe that the use of this ash is the reason that structures like the Colosseumstill stand today. Roman underwater structures proved to be even sturdier. Seawater reacting withthe volcanic ash created crystals that filled in the cracks in the concrete. To make concrete thisdurable, modern builders must reinforce it with steel. So today, scientists study Roman concrete,hoping to match the success of the ancient master builders.What can be inferred from this selection?(A) Ancient Romans knew that the Colosseum would stand for thousands of years because of theirconcrete.(B) Modern scientists and builders have realized that steel will never be as durable as Roman concrete.(C) Romans pumped seawater into Rome in order to strengthen the concrete used in the walls of theColosseum.(D) Studying Roman concrete may help scientists develop similarly strong materials without having to usesteel. what is 20/3 in pounds WILL MARK BRAINLIEST PLS HELP President Carter's stimulus plansimproved economic growthdid not improve economic growthwere widely successfulwere not implemented. explain how the fall of rome led to the rise of the byzantine empire? Which is a form of kinetic energy?A. gravitational energyB. chemical energyC. electrical energyD. sound energy Find the total surface area of the rectangular pyramid. Can somebody plz help me with 6 Crowley's Ridge What types of landforms can be found here? Name 5 cities and towns can be found in this region. History of the region: Where is this region located? What is the main industry in this region? What are the transformations on the followingfunction, f (x) = -2 log4 (x + 5) - 4? How many notebooks do you think it would take to make a stack that is 5 feet high? Select all expressions that are equivalent to 3x 9A. -3(x+3)B. 3(x+3)C. 3(-x - 3)D. -3(x-3)E. 3(x-3) Sarah went to the mall and bought a pair of sneakers for $132. They are on sale for 20% off. What will the new price be?