Answer: 1/20
Step-by-step explanation:
you need to find a common denominator (least common multiple of both denominators)
4/5 - 3/4
16/20 - 15/20
1/20
Answer:
2 column proof is a logical argument consisting of statements and the reasons to show why those statememts are true.
Step-by-step explanation:
Answer:

Step-by-step explanation:
9^-5 = 9^4 x 9^-9
4-9 = -5
Given problem is 
To simplify that we need to multiply and divide by conjugate of the denominator
conjugate of denominator 6+i will be 6-i as we just need to change sign of the imaginary part
Now multiply and divide by 6-i







Hence final answer is 