Decide whether the situation involves permutations or combinations.A committee of 2 delegates chosen from a class of 38 students to bring a petition to the administration.
A. Permutation
B. Combination
Answer: B
Mathematics
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Find the equation for the level surface of the function through the given point.f(x, y, z) = 
+ 
, (5, e6, e-4)
A. -5e-4 - 5e6 + 4e5 + 1 = 
+ 
B. -4e-4 - 6e6 + 4e5 + 1 = ln ? + 1 + t et
C. -4e-4 - 6e6 + 4e5 - 9 = 
+ 
D. -4e-4 - 6e6 + 4e5 + 1 = 
+ 
Mathematics
Solve.Find the total of 375 and 39.
A. 404 B. 424 C. 413 D. 414
Mathematics
Add the numbers using the number line.-9 + (8) 
A. 1 B. -1 C. -17 D. 17
Mathematics
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. (0, 8)
C. 
D. none
Mathematics