Stephan kept a record of his personal expenses for one week and organized them in this table:
What is the ratio of the amount for the gift to the total amount?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the linearization L(x) of f(x) at x = a.f(x) = tan x, a = 0
A. L(x) = -x B. L(x) = 0 C. L(x) = x D. L(x) = 4x + 1
Mathematics
Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.9, 11, 14,18, ...
A. Arithmetic; d = 9 B. Geometric; r = 81 C. Geometric; r = 9 D. Neither
Mathematics
Write the conjugate 
of the complex number z. Then find z
.z = 
+ 7i
A. 
= 
- 7i, z
= 56
B. 
= 
- 7i, z
= 63
C. 
= 
- 7i, z
= -42
D. 
= 
- 7i, z
= 42
Mathematics
Evaluate the trigonometric function. Round your answer to four decimal places. ? tan ( -187°) ?
A. 0.8772 B. 1.8772 C. -0.1228 D. 2.8772 E. 0.3772
Mathematics