Answer:
C. No solution.
Step-by-step explanation:
y = −2x + 1
4x + 2y = −1
Substituting y = -2x + 1 in the second equation:
4x + 2(-2x + 1) = -1
4x - 4x + 2 = -1
2 = -1 which is absurd so there is no solution.
456/7 equal to (drum rolls) 65.1428571429
I don't know a lot about math
49
25b² + 70b + ....
( 5b + 7)² = 5×5b² + 2×5×7b + 7×7 = 25b² + 70b + 49
