A steel beam 12.0m sits next to a concrete wall when the temperature is 20.0°C. A gap must be lift between the beam and the concrete wall for expansion purposes. if the temperature rises to 43.0°C. How large must be the gap be if the steel beam just touches the concrete wall? ( a steel = 12 x 10-⁶/)​

If x ≤ 25, which could be the perimeter of this rectangle? a) 100 in b) 155 in c) 225 in d) 750 in e) 1500 in

[fw.02]sinkholes are often formed as a result of the actions of. a.heat on recharge b.pressure on aquifers c.acid in groundwater d.minerals in hot springs

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)