Solve the system by the substitution method.2x2 + 4y2 = 36y = x + 3
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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What is the hydrogen ion concentration of a 0.05 N solution of a certain acid if the dissociation is 75%?
A. 0.75 mol/L H+ B. 0.0375 mol/L H+ C. 0.375 mol/L H+ D. 0.05 mol/L H+
Mathematics
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.e x + 8 = 3
A. {-6.75} B. {-5.60} C. {2.40} D. {-6.90}
Mathematics
Graph the equation.y2 = 6x
A. 
B. 
C. 
D. 
Mathematics
Solve.A jar is 
full of olives. Claudia eats 
of the jar of olives. What fractional part of the jar still contains olives?
A. 
of the jar contains olives
B. 
of the jar contains olives
C. 
of the jar contains olives
D. 
of the jar contains olives
Mathematics