Hello,
2x+y=1
3x-y=-6
==>5x=-5
==>x=-1 and y=1-2*(-1)=3
Sol={(-1,3)}
Answer A
You multiply vectors and scalar simply by multiplying each component by that scalar:

Finally, you sum two vectors by summing the correspondent coordinates:

Answer:
$348.03
Step-by-step explanation:
£257 = €1.11 * 257
£257 = €285.27
€285.27 = $1.22 * 285.27
€285.27 = $348.0294
Round to 2 dp, $348.03
I think n2+2
and i don’t really know how to explain