Question

Find the difference of the following expressions: (7 - √9) - (1 - √36).

a) 4
b) 6
c) 8
d) 10

Answer 1

The difference of the expressions (7 - √9) - (1 - √36) is 9.

Step-by-step explanation:

1. Simplify: (7 - √9) = 7 - 3 = 4 and (1 - √36) = 1 - 6 = -5.
2. The difference of the expressions is 4 - (-5) = 4 + 5 = 9.
3. Therefore, the correct answer is d) 9.