Round 63,859 to the nearest ten, to the nearest hundred, to the nearest thousand, and to the nearest ten thousand

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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