What single percentage change is equivalent to a 9% increase followed by a 14% decrease?

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.

Which is the focus of a parabola with equation y2=4x

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work