Add or subtract and simplify.(3 - 4i) + (5 + 9i)
A. 8 + 5i
B. -2 + 13i
C. 8 - 5i
D. -8 - 5i
Answer: A
Mathematics
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Graph the function.y = 2 cos (?x)
A. 
B. 
C. 
D. 
Mathematics
Convert to degree measure. Round to two decimal places, if necessary.2.832 rad
A. 324.52° B. 324.22° C. 162.26° D. 162.56°
Mathematics
Provide an appropriate response.The specifications for the fabrication of a part for a prototype machine call for a length of 6.2 cm. If a tolerance of ±0.5% is allowed, find the limit dimensions for the part's length.
What will be an ideal response?
Mathematics
Find the indicated term of the arithmetic sequence.3.45, 3.61, 3.77, . . . ;16th term
A. 6.01 B. 5.69 C. 5.85 D. 5.53
Mathematics