Write the augmented matrix for the system. 6x + 6y + 8z = 56 9x + 4y + 3z = 18 7x + 8y - 2z = 26
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Graph the two functions on one coordinate plane.f(x) = 
g(x) = 
- 2
A. 
B. 
C. 
D. 
Mathematics
Let A = {1, 3, 5, 7}, B = {5, 6, 7, 8}, C = {5, 8}, D = {2, 5, 8}, and U = {1, 2, 3, 4, 5, 6, 7, 8}. Decide if the set relationship is true or false.{5} ? D
A. True B. False
Mathematics
Solve the problem.If p
q and m?h = 52° in the following figure, find the measures ?d, ?e, ?f.
A. m?e = m?f = 52°; m?d = 128° B. m?d = m?f = 52°; m?e = 128° C. m?d = m?f = 52°; m?e = 138° D. m?d = m?f = 52°; m?e = 38°
Mathematics
Find the maximum or minimum point of the function and state whether it is a maximum or minimum.f(x) = - 2x2 - 4x - 5
A. (3, 0); minimum B. (0, 1); minimum C. (-1, -3); maximum D. (3, 1); maximum
Mathematics