Solve the system using the substitution method. If the system has no solution or an infinite number of solutions, state this.x + 3y = 15-3x + 4y = 20
A. No solution
B. (0, 5)
C. (1, 4)
D. Infinite number of solutions
Answer: B
Mathematics
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Use symbols to name the figure. If more than one symbol is possible, give all possible names.
S?L
A. 
B. 
or 
C. 
or 
D. 
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Solve the problem.A plane flies 460 miles with the wind and 350 miles against the wind in the same length of time. If the speed of the wind is 22 mph, what is the speed of the plane in still air?
A. 167 mph B. 152 mph C. 162 mph D. 187 mph
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Multiply.-6(-35)
A. 245 B. -216 C. 216 D. 210
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Use the vertical line test to determine if the graph is a function.
A. Yes B. No
Mathematics