If A represents 10, B represents 30, and C represents 20; which of the following is true?

20/40 + 40/20 =

Where should parentheses be added to make the following expression true? 100 ÷ 20 - 10 + 8 * 6 + 1 = 66

In how many of the following lines are the two numbers exactly the same? 535210867 53520867 4279183 4279183 2338594 2338594 754311 754311 698321 698321

Which character should you remove to make each line equivalent? 4739572j 473957j 089@21 0892@1 1433903 1433903

solve for x: x(3+4)*x(4+5) = y - 2

In how many of the following lines are the two numbers identical? 45539 45539 32890 32890 8334 8334

If a = 2, b = 1 and c = 4, find ab/cb.

Start the series: …, 20, 15, 10, 5

What comes next in the following sequence? 1, 5, 2, 10, 3, 15 ...

Find the value of x: 8x + 3 = 27