Answer:
Step-by-step explanation:
4(y+7)=4(y)+4(7)
=4y+28
Answer:
<u><em>-x+2y=6 and x+3y=0</em></u>
Step-by-step explanation:
Ax+By=C
y=1/2 x+ 3
y= x+6/2
2y=x+6
-x+2y=6------------1
y-2=-1/3(x+6)
3(y-2)= -(x+6)
3y-6=-x-6
3y+x=-6+6
x+3y=0------------2
30% of £10 = £3
30% discount = £10 - £3 = £7
Cake costs £7
Answer:
systematic sampling
Step-by-step explanation:
This is when you start at a person (using a number that is randomly generated) and go up in intervals to select a sample.
Hope this helps!