Answer:
x(-10.5,0)
y.(0,-21)
Step-by-step explanation:
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Answer id provided in the image attached.
Answer:

Step-by-step explanation:
Answer:
72m^2
Step-by-step explanation:
Conevert the lengths into what they really are
Length of Patio:12
width of patio:6
Soooo.....
multiply
12x6=72
Yes he has enough since
1.7 times .9 is 1.53 which is only 153 cm