Find the exact value. If the value of the function is not defined, write undefined.cos(-90°)
A. 
B. 0
C. Undefined
D. -1
Answer: B
Mathematics
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Simplify the expression. ? 23 - 2·4 ?
A. 84 B. 4 C. –15 D. 15 E. 8
Mathematics
Write the slope-intercept form of the equation for the line passing through the given pair of points.(8, -3) and (-8, -3)
A. y = -3 B. 8x - 8y = 0 C. -8x + 8y = 0 D. x = 8
Mathematics
Add.4391793
A. 323 B. 313 C. 376 D. 336
Mathematics
Add and simplify. Write the answer as an improper fraction as needed.
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics