Answer:
645/61
or
10 35/61
or
10.5737704918
Step-by-step explanation:
Area of a parallelogram is base × height
A=b×h
In this situation we know base and area.
645=61×h
To solve for height divide both sides by 61. (dividng area by base)
h=645/61
645/61 = 10 35/61 = 10.5737704918
I think it's 5 with a remainder of 89. Hope this helps! :)
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D=-1
-15d=15 so -d=1 so d=-1