Anthony has a total of y marbles and 4 boxes. He puts 13 marbles in each box and has none left over. Which of
his friends, if any, correctly guessed how many marbles
Anthony has in all? Use the equation y = 4 = 13.
Substitute each guess for y and evaluate.

Do 12/14 and 8/10 have the same value? explain your answer.

Which set of lengths could represent the sides of a triangle? a. 3, 7, 10 b. 4, 5, 10 c. 6, 8, 14 d. 12, 6, 7

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15