In 63, in which place is the 3? ones tens

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

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.

Find the area of an equilateral triangle with a side of 6 inches