Factor.z2 - 121
A. (z + 11)(z - 11)
B. z2 - 121
C. (z - 11)2
D. (z + 11)2
Answer: A
Mathematics
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Write the expression in terms of sines and/or cosines, and then simplify.sec ?(cot ? + tan ?)
A. 
B. 
C. cos ? - sin ?
D. 
Mathematics
Divide. If a repeating decimal is obtained, use notation such as 0.
, 0.
, or 0.
.
A. 0.1875
B. 0.1
C. 0.18
D. 0.187
Mathematics
Solve the problem.If a satellite is placed in a circular orbit of 330 kilometers above the Earth, what is the equation of the path of the satellite if the origin is placed at the center of the Earth (the diameter of the Earth is approximately 12,740 kilometers)?
A. x2 + y2 = 170,824,900 B. x2 + y2 = 44,890,000 C. x2 + y2 = 40,576,900 D. x2 + y2 = 108,900
Mathematics
Multiply.
? 
A. x + 4
B. 
C. 
D. 
Mathematics