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Consider the three EROs. Perform the operations by hand and write the answer in matrix form. GIVEN:       Blank 1: Give the numbers in ROW 2 when  R1↔R2{“version”:”1.1″,”math”:”R1↔R2″} Blank 2: Give the numbers in ROW 2 when -6R2→R2{“version”:”1.1″,”math”:”-6R2→R2″} Blank 3: Give the numbers in ROW 1 when R1+R2→R1{“version”:”1.1″,”math”:”R1+R2→R1″}

Explain the differences in rules when adding versus multiplying matrices.

Use the Gauss-Jordan to solve the following system of equations. Use reduced fractions only. Blank 1: How many solutions are there to this system? Blank 2: Give the solutions in terms of z, where z is any real number, as an ordered triple.

If the supply function is S(x) = 4x + 20 and the demand function is D(x) = 100 – 3x, what is the equilibrium quantity?

Which statement best describes matrix ?

What is a breakeven point and what is it used to determine?

Addison opens up a coffee cart outside of the Academic Building. It costs her $0.77 to make a cup of coffee and she spent $375 to buy the equipment and do some advertising. She plans to charge $2 per cup of coffee. Blank 1: What is the cost equation, C(x)?     Blank 2: What is the revenue function, R(x)?     Blank 3: What is the profit function, P(x)?   Blank 4: What is Addison’s profit if 500 cups are sold in the first week?

The PA oblique projection of the shoulder (scapular Y) is performed to evaluate:

Which of the following projections can be performed using a breathing technique?1. Transthoracic Lateral2. AP Scapula3. Axillary

The Hill-Sachs defect is a fracture of the articular surface of the glenoid cavity often associated with a posterior dislocation of the humeral head.