Convert the angle in radians to degrees.- 
A. -127°
B. -126°
C. -128°
D. -125°
Answer: B
Mathematics
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Determine whether the following is always true or not always true. Given reasons for your answers.(u × v) ? w = u ? (w × v)
What will be an ideal response?
Mathematics
Evaluate the integral.
dt
A. 3 ln
- 
+ C
B. 3 ln
+ 
+ C
C. 4 ln
- 
+ C
D. 3 ln
- 
+ C
Mathematics
Use an identity to find the value of the expression. Do not use a calculator.sin2 70° + cos2 70°
A. 0.70 B. 0 C. 0.49 D. 1
Mathematics
Graph the system of inequalities, and find the coordinates of the vertices.x + 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 
Mathematics