Solve using the substitution 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. x + 2y = 28x - 5y = -5

A. (1, 1)
B. (0, 0)
C. (0, 1)
D. (1, 0)


Answer: C

Mathematics

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Solve the proportion. ? ?

A. ?
B.
C. ?
D. ?
E. no solution

Mathematics

Write the first four terms of the sequence.an = 

A. a1 = 1a2 = a3 = a4 = 
B. a1 = a2 = a3 = a4 = 
C. a1 = a2 = a3 = a4 = 
D. a1 = a2 = a3 = a4 = 

Mathematics

Find the x- and y-intercepts of the graph of the given equation.y = 2x2 + 22x + 48

A. x-intercepts: -8, 3; y-intercept: -48 B. x-intercepts: -6, 4; y-intercept: -48 C. x-intercepts: -6, - 4; y-intercept: 48 D. x-intercepts: -8, - 3; y-intercept: 48

Mathematics

Solve.8y + 4(6 + y) = 3(y - 4) + 10y

A. y = -10 B. y = 36 C. y = 10 D. y = -36

Mathematics