(02.04 MC)Which of the following best explains why a drug can be found at the middle of a hair strand but not in the rest?

(04.06 LC)Those who eat whatever they wish when they feel physically hungry, until they are full, follow

(01.02 MC)Which step of the scientific method would be least helpful in processing a crime scene?

(03.03 MC)Homeschooling might be the best option for which of the following students?

(02.03 MC)Which tool uses infrared electromagnetic waves to determine the chemical composition of a fiber?

  (01.02 MC)Which of the following is an example of claim-evidence reasoning completed during an investigation?

An airplane flies at an altitude of  miles towards a point directly over an observer. Consider θ and x as shown in the following figure. The speed of the plane is 400 miles per hour. Find when . Round your answer to three decimal places.​​

An airplane flies at an altitude of  miles towards a point directly over an observer. Consider θ and x as shown in the following figure. The speed of the plane is 400 miles per hour. Find when . Round your answer to three decimal places.​​

Evaluate the expression  without using a calculator.​

In a free-fall experiment, an object is dropped from a height of  feet. A camera on the ground 500 feet from the point of impact records the fall of the object as shown in the figure. Assuming the object is released at time . Find the rate of change of the angle of elevation of the camera when . Round your answer to four decimal places.​​