The difference of two numbers is 3 and the sum of their squares is 65. Find the numbers. List any unique pairs of numbers that satisfy the given conditions.

Write a corresponding real world problem to represent 2x - 125=400

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.

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)