Answer:
The answer is b) 18.75% decrease
Answer:

Step-by-step explanation:
Given

Required
Factor

Factor out 

<em>The expression cannot be further factored</em>
Bottom answer is correct: d {0, 1, 2, 3}, r {-5, -2, 3, 4}, relation is a function
1/100,000,000 , note that 100,000,000 = 10⁸ , then:
1/100,000,000 = 1/10⁸
Remember that 1/aⁿ = a⁻ⁿ
Hence 1/100,000,000 = 1/10⁸ = 10⁻⁸