Add. Simplify, if possible.
+ 
+ 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Give the exact value of the expression.arccos
A. 
B. 
C. 
D. 
Mathematics
Find the x-intercept and the y-intercept of the graph of the equation. Do not graph the equation.5x - 10y = 20
A. x-intercept = 4; y-intercept = 2 B. x-intercept = 2; y-intercept = 4 C. x-intercept = -2; y-intercept = 4 D. x-intercept = 4; y-intercept = -2
Mathematics
Find the indicated matrix.Let A = 
and B = 
. Find AB.
A. 
B. 
C. not defined
D. 
Mathematics
Choose the graph of the equation.z = 
y - 
y3 - x2y + 
A. 
B. 
C. 
D. 
Mathematics