Solve by the substitution method.x - 4y = 26-4x - 5y = 43
A. (26, 43)
B. (2, -6)
C. (-2, -7)
D. (-3, -6)
Answer: C
Mathematics
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
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Answer the question(s) based on the following situation: A dishonest coin (landing heads 
of the time) is tossed 1350 times. The random variable X denotes the total number of heads that come up in the 1350 tosses.What are the chances that X is 540 or less?
A. approximately 0% B. approximately 60% C. approximately 40% D. approximately 50% E. none of these
Mathematics
Write the whole number in standard form.Ten million, three hundred fifty-four thousand, two hundred three
A. 1,354,203 B. 135,423 C. 10,354,203 D. 1,354,230
Mathematics
Assume that A = {1, 2, 5, 7, 8} and that U is the universal set of natural numbers less than 11. Find A'
 figure 1.png)
Mathematics