Evaluate the expression for the given replacement values.xy for x = 2, y = -9
A. 18
B. 11
C. -18
D. -7
Answer: C
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Provide an appropriate response.True or False?
= 1.732050808
A. True B. False
Solve the problem. If necessary, round to the nearest tenth, unless intructed otherwise.Tickets for a play are sold at two prices; $18, and $30. Find a formula for the total cost T (in dollars) of k tickets that sold for $18 per ticket and n tickets that sold for $30 per ticket.
A. T = 18k - 30n B. T = 30k + 18n C. T = 48kn D. T = 18k + 30n
Solve the problem.A bowl of oatmeal supplies 25% of the minimum daily requirement of an essential vitamin. Express this percent as a fraction.
A. 
B. 
C. 
D. 
Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(-8, 2) and (-4, 2)
A. 1 B. 2 C. 10 D. 0