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Which of the following choices is the correct path of air during inhalation?

If blood glucose is too low, ________ would be released to restore homeostasis.

Consider a coffee shop on campus that sells to both students and faculty. The coffee shop’s cost function is C(Q) =.2 + .2 * Q.Right before exams, students really need coffee, and have demand PS(Q) = 8.2 – .5 * Q; however, faculty do not need as much coffee until after the exam, so their demand is PF(Q) = 4.6 – .4 * Q.  Suppose there are 10 students and 2 faculty members.How much producer surplus could the coffee shop get if it is able to charge personalized prices? (Hint: answer is not an integer).

reaction moment at A in the x-direction, M_A_x (N-cm)

reaction force at B in the z-direction, R_B_z (N)

Problem 4 (20 pts) Bars AB and CD are uniform and each weigh 7 lb. The coefficient of static friction at surface B is 0.6. Assume both bars are thin. Bar CD is pinned at C and bar AB is pinned at A. a.) Draw a FBD of bar AB and a FBD of bar CD. b.) Determine the normal force at point B, NB (lb).

c.) Determine the z-coordinate of the centroid of the beam (cm).

Below 3 questions, 

LABORATORY ACTIVITY #11 QUESTION #2: According to course materials only, what is a randomized controlled study (trial)? (1pt) NOTE: Be sure to refer to Laboratory Activity #11 materials from Module #10 when responding Laboratory Activity #11 Question #2 above. 

Umbrella Corporation produces a high-end exercise bikes to be sold to individual consumers and fitness centers. The company has a production facility that is separate from its administrative offices. The company produces just one model of its “one-size-fits-all bike.” Listed below are ten different costs that are incurred by the company. For each cost, indicate the appropriate Cost Behavior:  Salary of the production supervisor.