Find the circumference of a circle with a diameter of 15 inches... Round to the nearest tenth and include units in your answer... SHOW WORK

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 expression is the factorization of x^2+10+21

Describe the graph of 3x+2> 2 and 3x< 6