Answers by Li Zheng
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Answers by Li Zheng

Answers by Li Zheng
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jack is 4 times as old as lacy. 9 years from now the sum of their ages will be 68. how old are they now?
answered Jun 15, 2018
4 votes
67.7k views
Until the 1600s, people who investigated problems related to our understanding of the natural world were called
answered Mar 5, 2018
3 votes
116k views
This isosceles triangle has two sides of equal length , a, that are longer than the length of the base , b. The perimeter of the triangle is 15.7 cm. The equation 2a + b = 15.7 models this information.
answered Feb 26, 2018
2 votes
130k views
Select the physical barriers. economics mountains religion politics oceans deserts
answered Jan 21, 2018
6 votes
91.9k views
Juan and Rachel have the same number of marbles. Rachel gives away 10 marbles and Juan gives away 22 marbles. Rachel then has 3 times as many marbles as Juan. How many marbles did each of them have at
answered Oct 15, 2017
5 votes
139k views
Whom is Arete a descendent of?
answered Jun 22, 2017
5 votes
168k views
What is 8x-11(x-2)=-8
answered Aug 18, 2016
1 vote
46.1k views
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