Solve the system by addition.0.15x + 0.03y = 0.065x + y = 2

A.
B.
C.
D. ?


Answer: C

Mathematics

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Divide, when possible.204,754 ÷ 470

A. 435 r304 B. 435 C. 304 D. 435 r254

Mathematics

Find the domain and range of the function represented in the graph.

A. Domain: [0, 4]; Range: [0, 2] B. Domain: [0, 7]; Range: [0, 5] C. Domain: (-?, 2]; Range: [4, ?] D. Domain: [0, 2]; Range: [0, 4]

Mathematics

Find the vertices and foci of the ellipse. Graph the ellipse.4x2 + 49y2 = 196

A. Foci at (0, -7) and (0, 7)
Vertices at (0, -49), (0, 49)

B. Foci at (-7, 0) and (7, 0)
Vertices at (-49, 0), (49, 0)

C. Foci at (0, - 3) and (0, 3)
Vertices at (0, -7), (0, 7)

D. Foci at (- 3, 0) and (3, 0)
Vertices at (-7, 0), (7, 0)

Mathematics

For the given functions f and g, find the requested function and state its domain.f(x) = ; g(x) = 5x - 6Find .

A. (x) = ; [0, ?)
B. (x) =  ? 
C. (x) =  ? 
D. (x) = ; (-?, 0) ? (0, ?)

Mathematics