Solve. Write the answer as a mixed number as needed.Deirdre led a tour of a Spanish city for a group of foreign tourists. Of the 88 people in the group, 11 could speak Spanish. What fraction of the group could not speak Spanish?
A. R
B. 
C. 
D. 
Answer: A
Mathematics
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Find all the local maxima, local minima, and saddle points of the function.
A. f(-7, 3) = -62, local minimum B. f(-7, -3) = -26, saddle point C. f(7, -3) = 170, local maximum D. f(7, 3) = 134, saddle point
Mathematics
Provide an appropriate response. Solve the following quadratic by factoring: 5x2 = 20x.
A. x = 0, 4 B. x = 4 C. x = 0, 4, 5 D. x = 4, 5
Mathematics
Write the expression in the standard form a + bi.
A. 
+ 
i
B. 
- 
i
C. 
- 
i
D. 
+ 
i
Mathematics
Evaluate the expression x - y for the given values of the variables.x = -6.500, y = 6.611
A. -13.111 B. 42.972 C. -0.111 D. -13.011
Mathematics