A letter of the alphabet used to represent numbers is called a(n) ____________
Fill in the blank(s) with the appropriate word(s).
Answer: Variable
Mathematics
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Determine if the given ordered triple is a solution of the system.(0, -2, -3)
A. solution B. not a solution
Mathematics
Suppose that f satisfies the equation of change 
. The initial value of f is 3. Make a graph of f. Use a horizontal span of 0 to 5.
What will be an ideal response?
Mathematics
Solve and check. Note that the equation could be an identity or a contradiction.12n + 2(n - 3) = 11 + 5(2n - 1)
A. 
B. 6
C. - 
D. 3
Mathematics
Solve the problem.At SuperStop, gasoline costs 
per gallon when you pay with a credit card, 
per gallon less when you pay with cash. How much money will it cost to fill a 15-gallon tank if you pay with cash?
A. $17.78 B. $16.95 C. $16.25 D. $17.85
Mathematics