Find the opposite of the real number.-2.1
A. 2.1
B. -2.1
C. 
D. 
Answer: A
Mathematics
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Factor completely. If the polynomial is prime, then state this as your answer.x2 + 79x + 80
A. (x + 80)(x + 1) B. (x + 10)(x + 8) C. (x + 80)(x - 1) D. prime
Mathematics
Write fraction notation for the given decimal notation. Do not simplify.0.68
A. 
B. 
C. 
D. 
Mathematics
Divide and simplify.
÷ 
A. 
B. 1
C. 
D. -1
Mathematics
Graph the function.y = sec 
A. 
B. 
C. 
D. 
Mathematics