Perform the indicated operation.
- 
A. -2(4c + 5)
B. 2(5c + 5)
C. (4c + 5)
D. 2(4c + 5)
Answer: D
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Find the linearization L(x) of f(x) at x = a.f(x) = 
, a = 0
A. L(x) = 
x
B. L(x) = 
x
C. L(x) = - 
x
D. L(x) = - 
x
Refer to the right triangle ABC with C = 90°.Assuming that a = 24 and b = 7, find c.
A. 5 B. 25 C. 20 D. 625
Find the probability of the event.When a single card is drawn from an ordinary 52-card deck, find the probability of getting a jack.
A. 
B. 
C. 
D. 
The matrix associated with the solution to a system of linear equations in x, y, and z is given. Write the solution to the system, if it exists.
A. infinitely many solutions of the form x = 5z + 5, y = 2z + 2, z = 1 B. inconsistent system, no solution C. x = 0, y = 0, z = 1 D. infinitely many solutions of the form x = 5 - 5z, y = 2 - 2z, z = z