nick has planted 20 flowers. he can plant 7 an hour .Rachel can 10 flowers an hour but she has only planted 5. how many hours (h) will it take Rachel to catch up with nick

The chart below shows the distribution of weeds in yard

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.

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?