[geometry] suppose a and b are independent events. what is p(a u b) ?

Brent wants to know what is 5 x 1/2

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.

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons