In problem, use the given triangle and the following information: b =2 and c = 5. Leave the answers in fraction form.
 FIGURE.png)
Find cos A. _______________________
 ANSWER.png)
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Provide an appropriate response.Find the direction in which the function is increasing most rapidly at the point P0.f(x, y, z) = xy - ln(z), P0(2, -2, 2)
A. 
(-4i + 4j - k)
B. 
(-4i - 4j + k)
C. 
(-4i + 4j - k)
D. 
(-4i + 4j - k)
Solve the problem.You are driving along a highway at a steady 89 ft/sec when you see a deer ahead and slam on the brakes. What constant deceleration is required to stop your car in 
A. 35.05 ft/sec2 B. 17.52 ft/sec2 C. 0.06 ft/sec2 D. 8.76 ft/sec2
Provide an appropriate response.Use the FOIL method to show that (2x + 4)(x - 5) is 2x2 - 6x - 20. If you were asked to completely factor 2x2 - 6x - 20, why would it be incorrect to give (2x + 4)(x - 5) as your answer?
What will be an ideal response?
Decide whether or not the points are the vertices of a right triangle.(-9, 3), (-3, 5), (-4, 0)
A. No B. Yes