How did climate and geography affect the settlers of ancient Greece? A: Their economy struggled because the location made trading difficult
B: They built homes into mountainsides to keep homes cooler in the summer
C: Their economy struggled due to lack of farmland and fishing grounds
D: They raised animals in the mountains and grew crops on the coasts

D., "They raised animals in the mountains and grew crops on the coasts."

pennsylvania pennsylvania colony was a proprietary colony founded when william penn was awarded a charter by king charles ii in 1681. he set up the colony as one of religious freedom. the government included a representative legislature with popularly elected officials. all taxpaying freemen could vote.

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the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69