Use a half-angle formula to find the exact value of the expression.tan 112.5°
A. -
- 1
B. 
- 1
C. -
+ 1
D. 
+ 1
Answer: A
Mathematics
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Determine the place value of the digit 3 in the whole number.25,304,168
A. Thousands B. Hundred-thousands C. Ten-thousands D. Hundreds
Mathematics
Graph the function.f(x) = 2x - 2
A. 
B. 
C. 
D. 
Mathematics
Use the square root property to solve the equation.(5x - 1)2 = 
A. {3, -1}
B. 
C. 
D. 
Mathematics
Provide an appropriate response.The solution of 
? 0 is
A. x ? -3, x > 
.
B. -3 < x ? 
.
C. -3 ? x ? 
.
D. x ? -3, x ? 
.
E. x < -3, x ? 
.
Mathematics