Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in ordered pair form.
A. {(-8, 6)}
B. {(7, 6)}
C. {(-7, 5)}
D. ?
Answer: C
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Solve the problem.Suppose that we wish to distribute the four-digit random numbers from 0000 through 9999 such that the corresponding random numbers can be used to simulate the polluting spills in the Great Lakes. If the numbers 0000 to 2465 correspond to 0 spills, what is the estimated probability of 0 spills?
A. 
B. 
C. 
D. 
Solve the application.A snack mix consists of 
cup peanuts, 
cup almonds, and 
cup cashews. How many cups of nuts are in the mix?
A. 
cups
B. 
cups
C. 
cups
D. 
cups
Solve the problem.The sum of the squares of two numbers is 82. The difference of the two numbers is 8. Find the two numbers.
A. -9 and -1 B. -9 and -1; or 1 and 9 C. -1 and 9; or -9 and 1 D. 1 and 9
Answer the question as instructed.Which of the following statements is false?
A. 15 ? 15 B. 15 = 15 C. 15 ?15 D. 15 < 15