Use special right triangles to evaluate the expression.sec 60° - sin 60°
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the system. Indicate all corner points and shade the solution set.3x - 2y ? -6 x - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics
Use the limit definition of the partial derivative to compute the indicated partial derivative of the function at the specified point.Find 
at the point (-7, -5): f(x, y) = 7x2 + 7xy + 6y2
What will be an ideal response?
Mathematics
Refer to the pie graph that shows the world's languages and the percentages of the population that speak them.
?
What percentage of the world's population does not speak either Chineseor German?
?
?
A. 97.6% B. 81.1% C. 90.2% D. 4.8% E. 91.6%
Mathematics
Given the graph of an equation of the form y = mx + b , what can be said about m and b?
A. m is undefined B. m = 0 C. m > 0 D. m < 0
Mathematics