Solve the radical equation.
- 
= 1
A. {3}
B. {-3, -1}
C. ?
D. {3, -1}
Answer: D
Mathematics
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Solve the problem.The number of atoms in a slice of cheese is 17,945,450,471. Round this amount to the nearest ten-thousand.
A. 17,945,000,000 atoms B. 17,945,450,500 atoms C. 17,945,450,470 atoms D. 17,945,450,000 atoms
Mathematics
Add.
+ 15 + -3 + -1
A. 
B. 7
C. 13
D. 
Mathematics
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.x ? x9
A. x9 B. 2x10 C. 2x9 D. x10
Mathematics
Solve the problem.For what numbers x, -2? ? x ? 2?, does the graph of y = sec x have vertical asymptotes.?
A. -2?, -?, 0, ?, 2?
B. - 
, - 
, 
, 
C. -2, -1, 0, 1, 2
D. none
Mathematics