Sketch the graph of the curve by plotting points.x = 6 sin ?, y = 6 cos ?; 0 ? ? ? 2?
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem by setting up and solving a system of two linear equations in two variables.Chip downloaded 18 songs for his MP3 player for a total cost of $19.20 The songs from Muchmore Music cost $1.00 each, and the songs from Itunes cost $1.20 each. How many songs did Chip download from each service?
A. 12 songs from Muchmore. 6 songs from Itunes. B. 13 songs from Muchmore. 5 songs from Itunes. C. 10 songs from Muchmore. 8 songs from Itunes. D. 14 songs from Muchmore. 4 songs from Itunes. E. 11 songs from Muchmore. 7 songs from Itunes.
Use a graphing calculator to estimate the solution set of the equation. Round to the nearest hundredth.2(x - 1) = 17
A. {5.09} B. {9.50} C. {3.09} D. {4.25}
Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.5x2y5
A. Monomial; variables x, y; coefficient 5; degree 5 B. Monomial; variables x, y; coefficient 5; degree 7 C. Monomial; variables x, y; coefficient 5; degree 2 D. Not a monomial
Solve the inequality, then graph the solution.25x > 0
A. x > -25
B. x > 25
C. x < 0
D. x > 0