1. What is the square root of 49?

2. What is 12 x 5?

3. What is the value of x in the equation 2x + 5 = 13?

4. A rectangular garden is 5 meters wide and 8 meters long. If you want to put a fence around the garden, how many meters of fencing do you need?

5. Evaluate the expression: 2 × 4 ÷ 8 - 1