Solve using the substitution method. Use a graphing calculator to check your answer. 4x - 7y = -243x + 5y = 64
A. (-8, 8)
B. (8, 8)
C. (-3, -5)
D. No solution
Answer: B
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Solve using any appropriate method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.3x + 5y = 23x + 5y = 8
A. (3, 5) B. (1, 1) C. No solution D. {(x, y)|3x + 5y = 2}
For the given polar equation, write an equivalent rectangular equation.r = cos ?
A. (x + y)2 = y B. x2 + y2 = x C. (x + y)2 = x D. x2 + y2 = y
Write the algebraic expression without parentheses.-(-3 + 4y)
A. -3 + 4y B. 12y C. 3 - 4y D. 3 + 4y
The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes.
The circle graph shows what percent of the vote each person received.If 600 total votes were cast, how many votes did Jim get?
A. 96 B. 192 C. 162 D. 150