Answer:

Step-by-step explanation:
we have

Substitute the value of y=27 in the equation and find the value of x
so





First term, a
1
=4
Second term, a
2
=8
Common difference, d=a
2
=a
1
d=8−4=4
∴ The common difference is 4
Answer:
Last one
Step-by-step explanation:
9*13=117
12*16=192
We increased three meters to both the length and width of the garden.