Multiply.(2x + 11y)2
A. 4x2 + 44xy + 121y2
B. 2x2 + 121y2
C. 2x2 + 44xy + 121y2
D. 4x2 + 121y2
Answer: A
Mathematics
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Factor and simplify the expression.tan4x - sec4x
A. sec2x B. sec2x + tan2x C. -2 tan2x - 1 D. tan 2 - sec2x
Mathematics
Use the distributive property to remove parentheses.- (4x + 5y)
A. -4x + 5y B. 4x + 5y C. 4x - 5y D. -4x - 5y
Mathematics
Perform the operation. Write the answer as a fraction in lowest terms.20
- 8
A. 
B. 97
C. 12
D. 
Mathematics
There are 100 students who are taking History or Sociology. If 10 are taking both courses and 45 are taking History, how many are taking Sociology?
What will be an ideal response?
Mathematics