Describe what a perennial plant is (1 sentence).

image 6.png pic 6.jpg What is the common name of this plant?

Your company specializes in elevating houses that are located inside floodplains due to the risk of flooding. You were tasked with designing a new hydraulic machine that can support structures with a force of up to 40,000 lbf. 1) What is the diameter of the machine piston (d2), given that a typical operator can apply a force of 100 lbf in a diameter (d1) of 1.5 inches.   2) What is the mechanical advantage of the machine? (Figure not to scale).

Marta’s husband died in an accident, leaving her with two children. Without his income, she is having a hard time making ends meet. Fortunately, her mother can help watch her children and Marta gets a part time job at the grocery store. She does not make very much, so she is eligible for government assistance for food worth $350 a month. Her boss offered her some extra shifts, which she worked. However, that extra $200 mean that she no longer qualified for the government assistance for food. What is this scenario an example of?

All social institutions are made up of people, so it is important to figure humans into the equation.

You were hired to design the foundations of an oil tank. The tank is cylindrical, with an internal diameter of 10 meters and a height of 5 meters. The tank walls, top, and bottom are made of 40 mm thick steel. The specific gravity of oil is 0.8. The density of steel is 7850 kg/m3. What is the total load (force) in kN that the foundations of the tank need to support?

Alfred has had a hard time finding a job. He claims that the economy is tough and that there are very few opportunities in his neighborhood. In fact, several large businesses have closed and many of his neighbors are looking for jobs too. What framework would BEST explain Alfred’s inability to find a job?

Immigrants who have entered this country without proper paperwork are breaking the law and are therefore criminals. Since they are criminal from the moment that they get here, they will continue to break laws and cause an increase in crime. Therefore, undocumented immigrants are very dangerous. Which concept is illustrated here?

Imagine that there is a massive protest against some restrictive government policies. The protest gets out of hand and some looting and fighting results. The day of the protest was cold and rainy, and experts imagine that more people would have attended the protests if the weather had been better. Is this an example of natural v. social issues?

Drug addiction is often viewed as a personal problem, particularly since many who become addicts had a choice about whether or not to take drugs in the first place. Which of the statements here BEST explains why addiction should be viewed as a social problem even though personal choice often plays a role?