What is the sum of 7z/x^2 - 4

9x-4 / (x²-4)

Step-by-step explanation:

common denominator is 'x²-4' which is (x-2)(x+2)

the term '7x' already has that denominator but 2/x+2 becomes 2(x-2)/(x²-4)

now you can add 7x to 2(x-2) which is 7x + 2x - 4 or 9x-4 and

your denominator remains as 'x²-4'

b

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100

if the probability is 1/12, 75 people will receive a $25 gift card

step-by-step explanation: