Question

which of the pairs of expressions are equivalent

(k * 18) * 0.5 and k * (18 * 0.5)
(y - 9) - 8 and y - ( 9 -8)

Answer 1

[AI-generated answer — Bot GPT 3.5]

The first pair of expressions, (k * 18) * 0.5 and k * (18 * 0.5), are equivalent.

The second pair of expressions, (y - 9) - 8 and y - (9 - 8), are also equivalent.