I believe this is pythag
15^2 x 11^2 = 27225
(square root) of 27225 = 165
165ft
B equals -6. You can get your answer by doing 14.4/-2.4; you can also check it by plugging your answer (b) with the -2.4 and it will equal to your original amount.
To multiply a fraction, you simply multiply across the top and across the bottom.
-3 *-4 = 12
5 * 7 = 35
Final Answer: 12/35
10/12= $.83 per inch
20/18= $1.11 per inch
