Solve by the substitution method.-0.3x - 0.7y = -5.50.2x + 0.1y = 2.2

A. {(4, 9)}
B. {(9, 4)}
C. {(x, y)| -0.3x - 0.7y = -5.5}
D. ?


Answer: B

Mathematics

You might also like to view...

Graph the given line.x = -3

A.

B.

C.

D.

Mathematics

Find the opposite of the polynomial.14a2 - 8a + 5

A. -14a2 - 8a - 5 B. 14a2 + 8a - 5 C. -14a2 + 8a - 5 D. 14a2 - 8a + 5

Mathematics

Solve the equation.8x2 - 5x + 1 = 0

A.
B.
C.
D.

Mathematics

Find (x) by evaluating the integral using Part 2 of the Fundamental Theorem and then differentiating.

Mathematics