Hello,
2x-5y=1 |3|4
3x-4y=-2|-2|-5
------------------------
-7y=7 ==>y=-1
-7x=14==>x=-2
sol={(-2,-1)}
Answer: 
Step-by-step explanation:
By the Pythagorean theorem, the unknown side has length

Therefore,

Answer:
6. 4.5×10⁴
7. 4.2×10^-3
8. 9.5×10^9
9. 1.3×10^-3
10. 3×10²
Step-by-step explanation:
start counting just after the dot . hope it helps
Answer:
A vertical reflection is given by the equation y=−f(x) y = − f ( x ) and results in the curve being “reflected” across the x-axis. A horizontal reflection is given by the equation y=f(−x) y = f ( − x ) and results in the curve being “reflected” across the y-axis.