An engineer on the ground is looking at the top of a building. the angle of elevation to the top of the building is 22°. the engineer knows the building is 450 ft tall. what is the distance from the engineer to the base of the building to the nearest whole foot?

Which system of linear inequalities is represented by the graph?

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

Average acceleration: i have no idea how to do this.