A)demonstreaza ca patrulaterul determinat de mijloacele laturilor unui patrulater oarecare ABCD este un paralelogram, numit paralelogramul lui Varignon b)in ce conditii paralelogramul lui Varignon este romb?
c)in ce conditii paralelogramul lui Varignon este dreptunghi?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

What is another way to express 36 +32

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.