Determine whether the ordered pairs given are solutions of the linear inequality in two variables.x ? y + 2:(2, -1)
A. Yes
B. No
Answer: B
Mathematics
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If data for 
are linear, then the slope of the linear function is the change in y.
Answer the following statement true (T) or false (F)
Mathematics
Graph on the number line, and express in interval notation.The set of all real numbers greater than or equal to 4.
A. (-?, 4]
B. (4, ?)
C. [4, ?)
D. (-?, 4)
Mathematics
The graph of a function f is given. Use the graph to answer the question.How often does the line y = 20 intersect the graph?
A. once B. twice C. three times D. does not intersect
Mathematics
Convert. Round to the nearest hundredth, when necessary.195 pounds to kilograms
A. 87.75 kilograms B. 429 kilograms C. 42.9 kilograms D. 877.5 kilograms
Mathematics