Answer:
9/2
Step-by-step explanation:
perpendicular lines have slopes that are opposite and reciprocal
the reciprocal of -2/9 is 9/2
X^2-81=x^2-9^2=(x+9)(x-9)
this is the answer
The correct answer is <span>16666666666/100000000000.</span>
Answer: 384
Step-by-step explanation:
4/100×3200×3yrs
=128
7/7.42 = $0.94
Hope this helped :)