E. no solution. hope this helps! :)
A) 13.25
B) 164.64
C) 57.1
D) 145173.954289 or <span>381.017</span><span><span>2
A good calculator website is </span></span>https://www.cymath.com/
For the first number you can choose from 8, for the second number only 7, for the third number only 6. So the number of combinations is 8x7x6=336
Vote me 1 star but what are they teaching yall