Solve the problem.The sum of two numbers is -3. If one number is subtracted from the other, their difference is 9. Find the numbers.
A. -2, -1
B. 3, 6
C. 3, -6
D. -3, -6
Answer: C
Mathematics
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The basic unit of ________ in the metric system is the liter.
A. mass B. length C. capacity D. weight
Mathematics
Match the function f with its graph.f(x) = log3 (-x)
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62 B. 0.26 C. 0.22 D. 0.50
Mathematics
Simplify the expression. If the expression contains any variables, assume that they represent positive real numbers. Write your answer with only positive exponents.
1/2
A. 
B. 
C. 
D. 
Mathematics