Answer:
Step-by-step explanation:
4
5x + 10y = − 3.... (given)
Adding 7 on both sides,
5x + 10y + 7 = - 3 + 7
5x + 10y + 7 = 4
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Answer:9
Step-by-step explanation
√(x2-x1)^2 +(y2-y1)^2
√(-7-(-10)^2 +(1-(-8)^2
√(-7+10)^2 + (1+8)^2
√(3)^2 +(9)^2
√(9+81)
√90
=9.48
Approximately 9
