Use substitution to determine whether the system of linear equations has no solutions, one solution, or infinitely many solutions.x + y = 5x + y = 4
A. One
B. Infinitely many
C. No solutions
Answer: C
Mathematics
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Perform the operation and give the answer as a fraction in lowest terms.
÷ 
A. - 
B. 
C. 
D. - 
Mathematics
Graph the equation.y2 = -5x
A. 
B. 
C. 
D. 
Mathematics
Find the product.(x + 1)(x - 1)
A. x2 + 2x - 1 B. x2 - 2x - 1 C. x2 - 1 D. x2 - 2
Mathematics
Translate to a proportion and solve. 100% of what is 10?
A. 20 B. 10 C. 1 D. 100
Mathematics