Answer:
-18
Step-by-step explanation:
Left Hand Side = -2(7a + 9b) = -14a - 18b
Comparing it with Right Hand Side, ? = -18
Step-by-step explanation:

Answer:
So what’s the question?
Step-by-step explanation:
The function f(x) = -5x^2+ 3x + 4 has a maximum.
Answer: the intersection of plane A and plane S will be: line CW
the intersection of lines N and K is: point V
point X is the intersection of: line M and plane A
Step-by-step explanation: