Answer:

Step-by-step explanation:
we know that
To find the area of the backyard that is not covered by the hot tub and fire pit subtract the area of the hot tub and the area of the fire pit from the total area of the square backyard
so

Answer:
Hopefully it makes sense
Step-by-step explanation:
Good luck
Smallest Fredholl no. that's prime is 13
X + 14 + x + 14 = 17 + x + 7
2x + 28 = 24 + x
2x - x = 24 - 28
x = -4
DF = x + 14
= (-4) + 14
= 10