name the postulate or theorem you can use to prove the triangles congruent.

Find the solution of system of equation y= x-4 y=4x+2

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

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.